72255820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 198555840

約数和(自身を除く): 126300020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 37, 52, 58, 65, 70, 74, 91, 116, 130, 140, 145, 148, 182, 185, 203, 259, 260, 290, 364, 370, 377, 406, 455, 481, 518, 580, 740, 754, 812, 910, 962, 1015, 1036, 1073, 1295, 1369, 1508, 1820, 1885, 1924, 2030, 2146, 2405, 2590, 2639, 2738, 3367, 3770, 4060, 4292, 4810, 5180, 5278, 5365, 5476, 6734, 6845, 7511, 7540, 9583, 9620, 10556, 10730, 13195, 13468, 13690, 13949, 15022, 16835, 17797, 19166, 21460, 26390, 27380, 27898, 30044, 33670, 35594, 37555, 38332, 39701, 47915, 52780, 55796, 67340, 69745, 71188, 75110, 79402, 88985, 95830, 97643, 124579, 139490, 150220, 158804, 177970, 191660, 195286, 198505, 249158, 277907, 278980, 355940, 390572, 397010, 488215, 498316, 516113, 555814, 622895, 794020, 976430, 1032226, 1111628, 1245790, 1389535, 1952860, 2064452, 2491580, 2580565, 2779070, 3612791, 5161130, 5558140, 7225582, 10322260, 14451164, 18063955, 36127910, 72255820]

約数ペア:

[(1, 72255820), (2, 36127910), (4, 18063955), (5, 14451164), (7, 10322260), (10, 7225582), (13, 5558140), (14, 5161130), (20, 3612791), (26, 2779070), (28, 2580565), (29, 2491580), (35, 2064452), (37, 1952860), (52, 1389535), (58, 1245790), (65, 1111628), (70, 1032226), (74, 976430), (91, 794020), (116, 622895), (130, 555814), (140, 516113), (145, 498316), (148, 488215), (182, 397010), (185, 390572), (203, 355940), (259, 278980), (260, 277907), (290, 249158), (364, 198505), (370, 195286), (377, 191660), (406, 177970), (455, 158804), (481, 150220), (518, 139490), (580, 124579), (740, 97643), (754, 95830), (812, 88985), (910, 79402), (962, 75110), (1015, 71188), (1036, 69745), (1073, 67340), (1295, 55796), (1369, 52780), (1508, 47915), (1820, 39701), (1885, 38332), (1924, 37555), (2030, 35594), (2146, 33670), (2405, 30044), (2590, 27898), (2639, 27380), (2738, 26390), (3367, 21460), (3770, 19166), (4060, 17797), (4292, 16835), (4810, 15022), (5180, 13949), (5278, 13690), (5365, 13468), (5476, 13195), (6734, 10730), (6845, 10556), (7511, 9620), (7540, 9583)]