156789640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{32939}}^1$

素因数の和:32974

約数の個数: 64

約数和(自身を含む): 426902400

約数和(自身を除く): 270112760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 32939, 65878, 131756, 164695, 230573, 263512, 329390, 461146, 559963, 658780, 922292, 1119926, 1152865, 1317560, 1844584, 2239852, 2305730, 2799815, 3919741, 4479704, 4611460, 5599630, 7839482, 9222920, 11199260, 15678964, 19598705, 22398520, 31357928, 39197410, 78394820, 156789640]

約数ペア:

[(1, 156789640), (2, 78394820), (4, 39197410), (5, 31357928), (7, 22398520), (8, 19598705), (10, 15678964), (14, 11199260), (17, 9222920), (20, 7839482), (28, 5599630), (34, 4611460), (35, 4479704), (40, 3919741), (56, 2799815), (68, 2305730), (70, 2239852), (85, 1844584), (119, 1317560), (136, 1152865), (140, 1119926), (170, 922292), (238, 658780), (280, 559963), (340, 461146), (476, 329390), (595, 263512), (680, 230573), (952, 164695), (1190, 131756), (2380, 65878), (4760, 32939)]