669646640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33889}}^1$

素因数の和:33934

約数の個数: 80

約数和(自身を含む): 1764991200

約数和(自身を除く): 1095344560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 33889, 67778, 135556, 169445, 271112, 338890, 440557, 542224, 643891, 677780, 881114, 1287782, 1355560, 1762228, 2202785, 2575564, 2711120, 3219455, 3524456, 4405570, 5151128, 6438910, 7048912, 8370583, 8811140, 10302256, 12877820, 16741166, 17622280, 25755640, 33482332, 35244560, 41852915, 51511280, 66964664, 83705830, 133929328, 167411660, 334823320, 669646640]

約数ペア:

[(1, 669646640), (2, 334823320), (4, 167411660), (5, 133929328), (8, 83705830), (10, 66964664), (13, 51511280), (16, 41852915), (19, 35244560), (20, 33482332), (26, 25755640), (38, 17622280), (40, 16741166), (52, 12877820), (65, 10302256), (76, 8811140), (80, 8370583), (95, 7048912), (104, 6438910), (130, 5151128), (152, 4405570), (190, 3524456), (208, 3219455), (247, 2711120), (260, 2575564), (304, 2202785), (380, 1762228), (494, 1355560), (520, 1287782), (760, 881114), (988, 677780), (1040, 643891), (1235, 542224), (1520, 440557), (1976, 338890), (2470, 271112), (3952, 169445), (4940, 135556), (9880, 67778), (19760, 33889)]