161413360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1031}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 399260160

約数和(自身を除く): 237846800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 103, 152, 190, 206, 304, 380, 412, 515, 760, 824, 1030, 1031, 1520, 1648, 1957, 2060, 2062, 3914, 4120, 4124, 5155, 7828, 8240, 8248, 9785, 10310, 15656, 16496, 19570, 19589, 20620, 31312, 39140, 39178, 41240, 78280, 78356, 82480, 97945, 106193, 156560, 156712, 195890, 212386, 313424, 391780, 424772, 530965, 783560, 849544, 1061930, 1567120, 1699088, 2017667, 2123860, 4035334, 4247720, 8070668, 8495440, 10088335, 16141336, 20176670, 32282672, 40353340, 80706680, 161413360]

約数ペア:

[(1, 161413360), (2, 80706680), (4, 40353340), (5, 32282672), (8, 20176670), (10, 16141336), (16, 10088335), (19, 8495440), (20, 8070668), (38, 4247720), (40, 4035334), (76, 2123860), (80, 2017667), (95, 1699088), (103, 1567120), (152, 1061930), (190, 849544), (206, 783560), (304, 530965), (380, 424772), (412, 391780), (515, 313424), (760, 212386), (824, 195890), (1030, 156712), (1031, 156560), (1520, 106193), (1648, 97945), (1957, 82480), (2060, 78356), (2062, 78280), (3914, 41240), (4120, 39178), (4124, 39140), (5155, 31312), (7828, 20620), (8240, 19589), (8248, 19570), (9785, 16496), (10310, 15656)]