1781232560

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{1913}}^1$

素因数の和:2142

約数の個数: 80

約数和(自身を含む): 4220783424

約数和(自身を除く): 2439550864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 113, 206, 226, 412, 452, 515, 565, 824, 904, 1030, 1130, 1648, 1808, 1913, 2060, 2260, 3826, 4120, 4520, 7652, 8240, 9040, 9565, 11639, 15304, 19130, 23278, 30608, 38260, 46556, 58195, 76520, 93112, 116390, 153040, 186224, 197039, 216169, 232780, 394078, 432338, 465560, 788156, 864676, 931120, 985195, 1080845, 1576312, 1729352, 1970390, 2161690, 3152624, 3458704, 3940780, 4323380, 7881560, 8646760, 15763120, 17293520, 22265407, 44530814, 89061628, 111327035, 178123256, 222654070, 356246512, 445308140, 890616280, 1781232560]

約数ペア:

[(1, 1781232560), (2, 890616280), (4, 445308140), (5, 356246512), (8, 222654070), (10, 178123256), (16, 111327035), (20, 89061628), (40, 44530814), (80, 22265407), (103, 17293520), (113, 15763120), (206, 8646760), (226, 7881560), (412, 4323380), (452, 3940780), (515, 3458704), (565, 3152624), (824, 2161690), (904, 1970390), (1030, 1729352), (1130, 1576312), (1648, 1080845), (1808, 985195), (1913, 931120), (2060, 864676), (2260, 788156), (3826, 465560), (4120, 432338), (4520, 394078), (7652, 232780), (8240, 216169), (9040, 197039), (9565, 186224), (11639, 153040), (15304, 116390), (19130, 93112), (23278, 76520), (30608, 58195), (38260, 46556)]