64972740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 215574912

約数和(自身を除く): 150602172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 113, 140, 148, 185, 210, 222, 226, 259, 339, 370, 420, 444, 452, 518, 555, 565, 678, 740, 777, 791, 1036, 1110, 1130, 1295, 1356, 1369, 1554, 1582, 1695, 2220, 2260, 2373, 2590, 2738, 3108, 3164, 3390, 3885, 3955, 4107, 4181, 4746, 5180, 5476, 6780, 6845, 7770, 7910, 8214, 8362, 9492, 9583, 11865, 12543, 13690, 15540, 15820, 16428, 16724, 19166, 20535, 20905, 23730, 25086, 27380, 28749, 29267, 38332, 41070, 41810, 47460, 47915, 50172, 57498, 58534, 62715, 82140, 83620, 87801, 95830, 114996, 117068, 125430, 143745, 146335, 154697, 175602, 191660, 250860, 287490, 292670, 309394, 351204, 439005, 464091, 574980, 585340, 618788, 773485, 878010, 928182, 1082879, 1546970, 1756020, 1856364, 2165758, 2320455, 3093940, 3248637, 4331516, 4640910, 5414395, 6497274, 9281820, 10828790, 12994548, 16243185, 21657580, 32486370, 64972740]

約数ペア:

[(1, 64972740), (2, 32486370), (3, 21657580), (4, 16243185), (5, 12994548), (6, 10828790), (7, 9281820), (10, 6497274), (12, 5414395), (14, 4640910), (15, 4331516), (20, 3248637), (21, 3093940), (28, 2320455), (30, 2165758), (35, 1856364), (37, 1756020), (42, 1546970), (60, 1082879), (70, 928182), (74, 878010), (84, 773485), (105, 618788), (111, 585340), (113, 574980), (140, 464091), (148, 439005), (185, 351204), (210, 309394), (222, 292670), (226, 287490), (259, 250860), (339, 191660), (370, 175602), (420, 154697), (444, 146335), (452, 143745), (518, 125430), (555, 117068), (565, 114996), (678, 95830), (740, 87801), (777, 83620), (791, 82140), (1036, 62715), (1110, 58534), (1130, 57498), (1295, 50172), (1356, 47915), (1369, 47460), (1554, 41810), (1582, 41070), (1695, 38332), (2220, 29267), (2260, 28749), (2373, 27380), (2590, 25086), (2738, 23730), (3108, 20905), (3164, 20535), (3390, 19166), (3885, 16724), (3955, 16428), (4107, 15820), (4181, 15540), (4746, 13690), (5180, 12543), (5476, 11865), (6780, 9583), (6845, 9492), (7770, 8362), (7910, 8214)]