64623720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{719}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 159325080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 280, 321, 420, 428, 535, 642, 719, 749, 840, 856, 1070, 1284, 1438, 1498, 1605, 2140, 2157, 2247, 2568, 2876, 2996, 3210, 3595, 3745, 4280, 4314, 4494, 5033, 5752, 5992, 6420, 7190, 7490, 8628, 8988, 10066, 10785, 11235, 12840, 14380, 14980, 15099, 17256, 17976, 20132, 21570, 22470, 25165, 28760, 29960, 30198, 40264, 43140, 44940, 50330, 60396, 75495, 76933, 86280, 89880, 100660, 120792, 150990, 153866, 201320, 230799, 301980, 307732, 384665, 461598, 538531, 603960, 615464, 769330, 923196, 1077062, 1153995, 1538660, 1615593, 1846392, 2154124, 2307990, 2692655, 3077320, 3231186, 4308248, 4615980, 5385310, 6462372, 8077965, 9231960, 10770620, 12924744, 16155930, 21541240, 32311860, 64623720]

約数ペア:

[(1, 64623720), (2, 32311860), (3, 21541240), (4, 16155930), (5, 12924744), (6, 10770620), (7, 9231960), (8, 8077965), (10, 6462372), (12, 5385310), (14, 4615980), (15, 4308248), (20, 3231186), (21, 3077320), (24, 2692655), (28, 2307990), (30, 2154124), (35, 1846392), (40, 1615593), (42, 1538660), (56, 1153995), (60, 1077062), (70, 923196), (84, 769330), (105, 615464), (107, 603960), (120, 538531), (140, 461598), (168, 384665), (210, 307732), (214, 301980), (280, 230799), (321, 201320), (420, 153866), (428, 150990), (535, 120792), (642, 100660), (719, 89880), (749, 86280), (840, 76933), (856, 75495), (1070, 60396), (1284, 50330), (1438, 44940), (1498, 43140), (1605, 40264), (2140, 30198), (2157, 29960), (2247, 28760), (2568, 25165), (2876, 22470), (2996, 21570), (3210, 20132), (3595, 17976), (3745, 17256), (4280, 15099), (4314, 14980), (4494, 14380), (5033, 12840), (5752, 11235), (5992, 10785), (6420, 10066), (7190, 8988), (7490, 8628)]