72757440

素因数分解:

$2^6\times 3^4\times 5^1\times 7^1\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 280

約数和(自身を含む): 296521632

約数和(自身を除く): 223764192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 324, 336, 360, 378, 401, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 648, 672, 720, 756, 802, 810, 840, 864, 945, 960, 1008, 1080, 1120, 1134, 1203, 1260, 1296, 1344, 1440, 1512, 1604, 1620, 1680, 1728, 1890, 2005, 2016, 2160, 2240, 2268, 2406, 2520, 2592, 2807, 2835, 2880, 3024, 3208, 3240, 3360, 3609, 3780, 4010, 4032, 4320, 4536, 4812, 5040, 5184, 5614, 5670, 6015, 6048, 6416, 6480, 6720, 7218, 7560, 8020, 8421, 8640, 9072, 9624, 10080, 10827, 11228, 11340, 12030, 12096, 12832, 12960, 14035, 14436, 15120, 16040, 16842, 18045, 18144, 19248, 20160, 21654, 22456, 22680, 24060, 25263, 25664, 25920, 28070, 28872, 30240, 32080, 32481, 33684, 36090, 36288, 38496, 42105, 43308, 44912, 45360, 48120, 50526, 54135, 56140, 57744, 60480, 64160, 64962, 67368, 72180, 75789, 76992, 84210, 86616, 89824, 90720, 96240, 101052, 108270, 112280, 115488, 126315, 128320, 129924, 134736, 144360, 151578, 162405, 168420, 173232, 179648, 181440, 192480, 202104, 216540, 224560, 227367, 230976, 252630, 259848, 269472, 288720, 303156, 324810, 336840, 346464, 378945, 384960, 404208, 433080, 449120, 454734, 505260, 519696, 538944, 577440, 606312, 649620, 673680, 692928, 757890, 808416, 866160, 898240, 909468, 1010520, 1039392, 1136835, 1154880, 1212624, 1299240, 1347360, 1515780, 1616832, 1732320, 1818936, 2021040, 2078784, 2273670, 2425248, 2598480, 2694720, 3031560, 3464640, 3637872, 4042080, 4547340, 4850496, 5196960, 6063120, 7275744, 8084160, 9094680, 10393920, 12126240, 14551488, 18189360, 24252480, 36378720, 72757440]

約数ペア:

[(1, 72757440), (2, 36378720), (3, 24252480), (4, 18189360), (5, 14551488), (6, 12126240), (7, 10393920), (8, 9094680), (9, 8084160), (10, 7275744), (12, 6063120), (14, 5196960), (15, 4850496), (16, 4547340), (18, 4042080), (20, 3637872), (21, 3464640), (24, 3031560), (27, 2694720), (28, 2598480), (30, 2425248), (32, 2273670), (35, 2078784), (36, 2021040), (40, 1818936), (42, 1732320), (45, 1616832), (48, 1515780), (54, 1347360), (56, 1299240), (60, 1212624), (63, 1154880), (64, 1136835), (70, 1039392), (72, 1010520), (80, 909468), (81, 898240), (84, 866160), (90, 808416), (96, 757890), (105, 692928), (108, 673680), (112, 649620), (120, 606312), (126, 577440), (135, 538944), (140, 519696), (144, 505260), (160, 454734), (162, 449120), (168, 433080), (180, 404208), (189, 384960), (192, 378945), (210, 346464), (216, 336840), (224, 324810), (240, 303156), (252, 288720), (270, 269472), (280, 259848), (288, 252630), (315, 230976), (320, 227367), (324, 224560), (336, 216540), (360, 202104), (378, 192480), (401, 181440), (405, 179648), (420, 173232), (432, 168420), (448, 162405), (480, 151578), (504, 144360), (540, 134736), (560, 129924), (567, 128320), (576, 126315), (630, 115488), (648, 112280), (672, 108270), (720, 101052), (756, 96240), (802, 90720), (810, 89824), (840, 86616), (864, 84210), (945, 76992), (960, 75789), (1008, 72180), (1080, 67368), (1120, 64962), (1134, 64160), (1203, 60480), (1260, 57744), (1296, 56140), (1344, 54135), (1440, 50526), (1512, 48120), (1604, 45360), (1620, 44912), (1680, 43308), (1728, 42105), (1890, 38496), (2005, 36288), (2016, 36090), (2160, 33684), (2240, 32481), (2268, 32080), (2406, 30240), (2520, 28872), (2592, 28070), (2807, 25920), (2835, 25664), (2880, 25263), (3024, 24060), (3208, 22680), (3240, 22456), (3360, 21654), (3609, 20160), (3780, 19248), (4010, 18144), (4032, 18045), (4320, 16842), (4536, 16040), (4812, 15120), (5040, 14436), (5184, 14035), (5614, 12960), (5670, 12832), (6015, 12096), (6048, 12030), (6416, 11340), (6480, 11228), (6720, 10827), (7218, 10080), (7560, 9624), (8020, 9072), (8421, 8640)]