7887503960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{2801}}^1$

素因数の和:3021

約数の個数: 128

約数和(自身を含む): 20698934400

約数和(自身を除く): 12811430440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 113, 140, 178, 226, 280, 356, 445, 452, 565, 623, 712, 791, 890, 904, 1130, 1246, 1582, 1780, 2260, 2492, 2801, 3115, 3164, 3560, 3955, 4520, 4984, 5602, 6230, 6328, 7910, 10057, 11204, 12460, 14005, 15820, 19607, 20114, 22408, 24920, 28010, 31640, 39214, 40228, 50285, 56020, 70399, 78428, 80456, 98035, 100570, 112040, 140798, 156856, 196070, 201140, 249289, 281596, 316513, 351995, 392140, 402280, 498578, 563192, 633026, 703990, 784280, 997156, 1246445, 1266052, 1407980, 1582565, 1745023, 1994312, 2215591, 2492890, 2532104, 2815960, 3165130, 3490046, 4431182, 4985780, 6330260, 6980092, 8725115, 8862364, 9971560, 11077955, 12660520, 13960184, 17450230, 17724728, 22155910, 28169657, 34900460, 44311820, 56339314, 69800920, 88623640, 112678628, 140848285, 197187599, 225357256, 281696570, 394375198, 563393140, 788750396, 985937995, 1126786280, 1577500792, 1971875990, 3943751980, 7887503960]

約数ペア:

[(1, 7887503960), (2, 3943751980), (4, 1971875990), (5, 1577500792), (7, 1126786280), (8, 985937995), (10, 788750396), (14, 563393140), (20, 394375198), (28, 281696570), (35, 225357256), (40, 197187599), (56, 140848285), (70, 112678628), (89, 88623640), (113, 69800920), (140, 56339314), (178, 44311820), (226, 34900460), (280, 28169657), (356, 22155910), (445, 17724728), (452, 17450230), (565, 13960184), (623, 12660520), (712, 11077955), (791, 9971560), (890, 8862364), (904, 8725115), (1130, 6980092), (1246, 6330260), (1582, 4985780), (1780, 4431182), (2260, 3490046), (2492, 3165130), (2801, 2815960), (3115, 2532104), (3164, 2492890), (3560, 2215591), (3955, 1994312), (4520, 1745023), (4984, 1582565), (5602, 1407980), (6230, 1266052), (6328, 1246445), (7910, 997156), (10057, 784280), (11204, 703990), (12460, 633026), (14005, 563192), (15820, 498578), (19607, 402280), (20114, 392140), (22408, 351995), (24920, 316513), (28010, 281596), (31640, 249289), (39214, 201140), (40228, 196070), (50285, 156856), (56020, 140798), (70399, 112040), (78428, 100570), (80456, 98035)]