400165920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:446

約数の個数: 480

約数和(自身を含む): 1765120896

約数和(自身を除く): 1364954976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 90, 96, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 154, 160, 162, 165, 168, 176, 180, 189, 198, 210, 216, 220, 224, 231, 240, 252, 264, 270, 280, 288, 297, 308, 315, 324, 330, 336, 352, 360, 378, 385, 396, 401, 405, 420, 432, 440, 462, 480, 495, 504, 528, 540, 560, 567, 594, 616, 630, 648, 660, 672, 693, 720, 756, 770, 792, 802, 810, 840, 864, 880, 891, 924, 945, 990, 1008, 1056, 1080, 1120, 1134, 1155, 1188, 1203, 1232, 1260, 1296, 1320, 1386, 1440, 1485, 1512, 1540, 1584, 1604, 1620, 1680, 1760, 1782, 1848, 1890, 1980, 2005, 2016, 2079, 2160, 2268, 2310, 2376, 2406, 2464, 2520, 2592, 2640, 2772, 2807, 2835, 2970, 3024, 3080, 3168, 3208, 3240, 3360, 3465, 3564, 3609, 3696, 3780, 3960, 4010, 4158, 4320, 4411, 4455, 4536, 4620, 4752, 4812, 5040, 5280, 5544, 5614, 5670, 5940, 6015, 6048, 6160, 6237, 6416, 6480, 6930, 7128, 7218, 7392, 7560, 7920, 8020, 8316, 8421, 8822, 8910, 9072, 9240, 9504, 9624, 10080, 10395, 10827, 11088, 11228, 11340, 11880, 12030, 12320, 12474, 12832, 12960, 13233, 13860, 14035, 14256, 14436, 15120, 15840, 16040, 16632, 16842, 17644, 17820, 18045, 18144, 18480, 19248, 20790, 21654, 22055, 22176, 22456, 22680, 23760, 24060, 24948, 25263, 26466, 27720, 28070, 28512, 28872, 30240, 30877, 31185, 32080, 32481, 33264, 33684, 35288, 35640, 36090, 36960, 38496, 39699, 41580, 42105, 43308, 44110, 44912, 45360, 47520, 48120, 49896, 50526, 52932, 54135, 55440, 56140, 57744, 61754, 62370, 64160, 64962, 66165, 66528, 67368, 70576, 71280, 72180, 75789, 79398, 83160, 84210, 86616, 88220, 89824, 90720, 92631, 96240, 99792, 101052, 105864, 108270, 110880, 112280, 115488, 119097, 123508, 124740, 126315, 129924, 132330, 134736, 141152, 142560, 144360, 151578, 154385, 158796, 162405, 166320, 168420, 173232, 176440, 185262, 192480, 198495, 199584, 202104, 211728, 216540, 224560, 227367, 238194, 247016, 249480, 252630, 259848, 264660, 269472, 277893, 288720, 303156, 308770, 317592, 324810, 332640, 336840, 346464, 352880, 357291, 370524, 378945, 396990, 404208, 423456, 433080, 449120, 454734, 463155, 476388, 494032, 498960, 505260, 519696, 529320, 555786, 577440, 595485, 606312, 617540, 635184, 649620, 673680, 705760, 714582, 741048, 757890, 793980, 808416, 833679, 866160, 909468, 926310, 952776, 988064, 997920, 1010520, 1039392, 1058640, 1111572, 1136835, 1190970, 1212624, 1235080, 1270368, 1299240, 1347360, 1389465, 1429164, 1482096, 1515780, 1587960, 1667358, 1732320, 1786455, 1818936, 1852620, 1905552, 2021040, 2117280, 2223144, 2273670, 2381940, 2425248, 2470160, 2501037, 2598480, 2778930, 2858328, 2964192, 3031560, 3175920, 3334716, 3572910, 3637872, 3705240, 3811104, 4042080, 4168395, 4446288, 4547340, 4763880, 4940320, 5002074, 5196960, 5557860, 5716656, 6063120, 6351840, 6669432, 7145820, 7275744, 7410480, 8336790, 8892576, 9094680, 9527760, 10004148, 11115720, 11433312, 12126240, 12505185, 13338864, 14291640, 14820960, 16673580, 18189360, 19055520, 20008296, 22231440, 25010370, 26677728, 28583280, 33347160, 36378720, 40016592, 44462880, 50020740, 57166560, 66694320, 80033184, 100041480, 133388640, 200082960, 400165920]

約数ペア:

[(1, 400165920), (2, 200082960), (3, 133388640), (4, 100041480), (5, 80033184), (6, 66694320), (7, 57166560), (8, 50020740), (9, 44462880), (10, 40016592), (11, 36378720), (12, 33347160), (14, 28583280), (15, 26677728), (16, 25010370), (18, 22231440), (20, 20008296), (21, 19055520), (22, 18189360), (24, 16673580), (27, 14820960), (28, 14291640), (30, 13338864), (32, 12505185), (33, 12126240), (35, 11433312), (36, 11115720), (40, 10004148), (42, 9527760), (44, 9094680), (45, 8892576), (48, 8336790), (54, 7410480), (55, 7275744), (56, 7145820), (60, 6669432), (63, 6351840), (66, 6063120), (70, 5716656), (72, 5557860), (77, 5196960), (80, 5002074), (81, 4940320), (84, 4763880), (88, 4547340), (90, 4446288), (96, 4168395), (99, 4042080), (105, 3811104), (108, 3705240), (110, 3637872), (112, 3572910), (120, 3334716), (126, 3175920), (132, 3031560), (135, 2964192), (140, 2858328), (144, 2778930), (154, 2598480), (160, 2501037), (162, 2470160), (165, 2425248), (168, 2381940), (176, 2273670), (180, 2223144), (189, 2117280), (198, 2021040), (210, 1905552), (216, 1852620), (220, 1818936), (224, 1786455), (231, 1732320), (240, 1667358), (252, 1587960), (264, 1515780), (270, 1482096), (280, 1429164), (288, 1389465), (297, 1347360), (308, 1299240), (315, 1270368), (324, 1235080), (330, 1212624), (336, 1190970), (352, 1136835), (360, 1111572), (378, 1058640), (385, 1039392), (396, 1010520), (401, 997920), (405, 988064), (420, 952776), (432, 926310), (440, 909468), (462, 866160), (480, 833679), (495, 808416), (504, 793980), (528, 757890), (540, 741048), (560, 714582), (567, 705760), (594, 673680), (616, 649620), (630, 635184), (648, 617540), (660, 606312), (672, 595485), (693, 577440), (720, 555786), (756, 529320), (770, 519696), (792, 505260), (802, 498960), (810, 494032), (840, 476388), (864, 463155), (880, 454734), (891, 449120), (924, 433080), (945, 423456), (990, 404208), (1008, 396990), (1056, 378945), (1080, 370524), (1120, 357291), (1134, 352880), (1155, 346464), (1188, 336840), (1203, 332640), (1232, 324810), (1260, 317592), (1296, 308770), (1320, 303156), (1386, 288720), (1440, 277893), (1485, 269472), (1512, 264660), (1540, 259848), (1584, 252630), (1604, 249480), (1620, 247016), (1680, 238194), (1760, 227367), (1782, 224560), (1848, 216540), (1890, 211728), (1980, 202104), (2005, 199584), (2016, 198495), (2079, 192480), (2160, 185262), (2268, 176440), (2310, 173232), (2376, 168420), (2406, 166320), (2464, 162405), (2520, 158796), (2592, 154385), (2640, 151578), (2772, 144360), (2807, 142560), (2835, 141152), (2970, 134736), (3024, 132330), (3080, 129924), (3168, 126315), (3208, 124740), (3240, 123508), (3360, 119097), (3465, 115488), (3564, 112280), (3609, 110880), (3696, 108270), (3780, 105864), (3960, 101052), (4010, 99792), (4158, 96240), (4320, 92631), (4411, 90720), (4455, 89824), (4536, 88220), (4620, 86616), (4752, 84210), (4812, 83160), (5040, 79398), (5280, 75789), (5544, 72180), (5614, 71280), (5670, 70576), (5940, 67368), (6015, 66528), (6048, 66165), (6160, 64962), (6237, 64160), (6416, 62370), (6480, 61754), (6930, 57744), (7128, 56140), (7218, 55440), (7392, 54135), (7560, 52932), (7920, 50526), (8020, 49896), (8316, 48120), (8421, 47520), (8822, 45360), (8910, 44912), (9072, 44110), (9240, 43308), (9504, 42105), (9624, 41580), (10080, 39699), (10395, 38496), (10827, 36960), (11088, 36090), (11228, 35640), (11340, 35288), (11880, 33684), (12030, 33264), (12320, 32481), (12474, 32080), (12832, 31185), (12960, 30877), (13233, 30240), (13860, 28872), (14035, 28512), (14256, 28070), (14436, 27720), (15120, 26466), (15840, 25263), (16040, 24948), (16632, 24060), (16842, 23760), (17644, 22680), (17820, 22456), (18045, 22176), (18144, 22055), (18480, 21654), (19248, 20790)]