261958320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 320

約数和(自身を含む): 1024934400

約数和(自身を除く): 762976080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 108, 114, 117, 120, 130, 135, 144, 152, 156, 171, 180, 190, 195, 208, 216, 228, 234, 240, 247, 260, 270, 285, 304, 312, 342, 351, 360, 380, 390, 432, 456, 468, 491, 494, 513, 520, 540, 570, 585, 624, 684, 702, 720, 741, 760, 780, 855, 912, 936, 982, 988, 1026, 1040, 1080, 1140, 1170, 1235, 1368, 1404, 1473, 1482, 1520, 1560, 1710, 1755, 1872, 1964, 1976, 2052, 2160, 2223, 2280, 2340, 2455, 2470, 2565, 2736, 2808, 2946, 2964, 3120, 3420, 3510, 3705, 3928, 3952, 4104, 4419, 4446, 4560, 4680, 4910, 4940, 5130, 5616, 5892, 5928, 6383, 6669, 6840, 7020, 7365, 7410, 7856, 8208, 8838, 8892, 9329, 9360, 9820, 9880, 10260, 11115, 11784, 11856, 12766, 13257, 13338, 13680, 14040, 14730, 14820, 17676, 17784, 18658, 19149, 19640, 19760, 20520, 22095, 22230, 23568, 25532, 26514, 26676, 27987, 28080, 29460, 29640, 31915, 33345, 35352, 35568, 37316, 38298, 39280, 41040, 44190, 44460, 46645, 51064, 53028, 53352, 55974, 57447, 58920, 59280, 63830, 66285, 66690, 70704, 74632, 76596, 83961, 88380, 88920, 93290, 95745, 102128, 106056, 106704, 111948, 114894, 117840, 121277, 127660, 132570, 133380, 139935, 149264, 153192, 167922, 172341, 176760, 177840, 186580, 191490, 212112, 223896, 229788, 242554, 251883, 255320, 265140, 266760, 279870, 287235, 306384, 335844, 344682, 353520, 363831, 373160, 382980, 419805, 447792, 459576, 485108, 503766, 510640, 530280, 533520, 559740, 574470, 606385, 671688, 689364, 727662, 746320, 765960, 839610, 861705, 919152, 970216, 1007532, 1060560, 1091493, 1119480, 1148940, 1212770, 1259415, 1343376, 1378728, 1455324, 1531920, 1679220, 1723410, 1819155, 1940432, 2015064, 2182986, 2238960, 2297880, 2425540, 2518830, 2757456, 2910648, 3274479, 3358440, 3446820, 3638310, 4030128, 4365972, 4595760, 4851080, 5037660, 5457465, 5821296, 6548958, 6716880, 6893640, 7276620, 8731944, 9702160, 10075320, 10914930, 13097916, 13787280, 14553240, 16372395, 17463888, 20150640, 21829860, 26195832, 29106480, 32744790, 43659720, 52391664, 65489580, 87319440, 130979160, 261958320]

約数ペア:

[(1, 261958320), (2, 130979160), (3, 87319440), (4, 65489580), (5, 52391664), (6, 43659720), (8, 32744790), (9, 29106480), (10, 26195832), (12, 21829860), (13, 20150640), (15, 17463888), (16, 16372395), (18, 14553240), (19, 13787280), (20, 13097916), (24, 10914930), (26, 10075320), (27, 9702160), (30, 8731944), (36, 7276620), (38, 6893640), (39, 6716880), (40, 6548958), (45, 5821296), (48, 5457465), (52, 5037660), (54, 4851080), (57, 4595760), (60, 4365972), (65, 4030128), (72, 3638310), (76, 3446820), (78, 3358440), (80, 3274479), (90, 2910648), (95, 2757456), (104, 2518830), (108, 2425540), (114, 2297880), (117, 2238960), (120, 2182986), (130, 2015064), (135, 1940432), (144, 1819155), (152, 1723410), (156, 1679220), (171, 1531920), (180, 1455324), (190, 1378728), (195, 1343376), (208, 1259415), (216, 1212770), (228, 1148940), (234, 1119480), (240, 1091493), (247, 1060560), (260, 1007532), (270, 970216), (285, 919152), (304, 861705), (312, 839610), (342, 765960), (351, 746320), (360, 727662), (380, 689364), (390, 671688), (432, 606385), (456, 574470), (468, 559740), (491, 533520), (494, 530280), (513, 510640), (520, 503766), (540, 485108), (570, 459576), (585, 447792), (624, 419805), (684, 382980), (702, 373160), (720, 363831), (741, 353520), (760, 344682), (780, 335844), (855, 306384), (912, 287235), (936, 279870), (982, 266760), (988, 265140), (1026, 255320), (1040, 251883), (1080, 242554), (1140, 229788), (1170, 223896), (1235, 212112), (1368, 191490), (1404, 186580), (1473, 177840), (1482, 176760), (1520, 172341), (1560, 167922), (1710, 153192), (1755, 149264), (1872, 139935), (1964, 133380), (1976, 132570), (2052, 127660), (2160, 121277), (2223, 117840), (2280, 114894), (2340, 111948), (2455, 106704), (2470, 106056), (2565, 102128), (2736, 95745), (2808, 93290), (2946, 88920), (2964, 88380), (3120, 83961), (3420, 76596), (3510, 74632), (3705, 70704), (3928, 66690), (3952, 66285), (4104, 63830), (4419, 59280), (4446, 58920), (4560, 57447), (4680, 55974), (4910, 53352), (4940, 53028), (5130, 51064), (5616, 46645), (5892, 44460), (5928, 44190), (6383, 41040), (6669, 39280), (6840, 38298), (7020, 37316), (7365, 35568), (7410, 35352), (7856, 33345), (8208, 31915), (8838, 29640), (8892, 29460), (9329, 28080), (9360, 27987), (9820, 26676), (9880, 26514), (10260, 25532), (11115, 23568), (11784, 22230), (11856, 22095), (12766, 20520), (13257, 19760), (13338, 19640), (13680, 19149), (14040, 18658), (14730, 17784), (14820, 17676)]