1342525840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1201}}^1$

素因数の和:1460

約数の個数: 80

約数和(自身を含む): 3179193840

約数和(自身を除く): 1836668000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 157, 178, 314, 356, 445, 628, 712, 785, 890, 1201, 1256, 1424, 1570, 1780, 2402, 2512, 3140, 3560, 4804, 6005, 6280, 7120, 9608, 12010, 12560, 13973, 19216, 24020, 27946, 48040, 55892, 69865, 96080, 106889, 111784, 139730, 188557, 213778, 223568, 279460, 377114, 427556, 534445, 558920, 754228, 855112, 942785, 1068890, 1117840, 1508456, 1710224, 1885570, 2137780, 3016912, 3771140, 4275560, 7542280, 8551120, 15084560, 16781573, 33563146, 67126292, 83907865, 134252584, 167815730, 268505168, 335631460, 671262920, 1342525840]

約数ペア:

[(1, 1342525840), (2, 671262920), (4, 335631460), (5, 268505168), (8, 167815730), (10, 134252584), (16, 83907865), (20, 67126292), (40, 33563146), (80, 16781573), (89, 15084560), (157, 8551120), (178, 7542280), (314, 4275560), (356, 3771140), (445, 3016912), (628, 2137780), (712, 1885570), (785, 1710224), (890, 1508456), (1201, 1117840), (1256, 1068890), (1424, 942785), (1570, 855112), (1780, 754228), (2402, 558920), (2512, 534445), (3140, 427556), (3560, 377114), (4804, 279460), (6005, 223568), (6280, 213778), (7120, 188557), (9608, 139730), (12010, 111784), (12560, 106889), (13973, 96080), (19216, 69865), (24020, 55892), (27946, 48040)]