8406840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 28848960

約数和(自身を除く): 20442120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 317, 340, 390, 408, 442, 510, 520, 634, 663, 680, 780, 884, 951, 1020, 1105, 1268, 1326, 1560, 1585, 1768, 1902, 2040, 2210, 2536, 2652, 3170, 3315, 3804, 4121, 4420, 4755, 5304, 5389, 6340, 6630, 7608, 8242, 8840, 9510, 10778, 12363, 12680, 13260, 16167, 16484, 19020, 20605, 21556, 24726, 26520, 26945, 32334, 32968, 38040, 41210, 43112, 49452, 53890, 61815, 64668, 70057, 80835, 82420, 98904, 107780, 123630, 129336, 140114, 161670, 164840, 210171, 215560, 247260, 280228, 323340, 350285, 420342, 494520, 560456, 646680, 700570, 840684, 1050855, 1401140, 1681368, 2101710, 2802280, 4203420, 8406840]

約数ペア:

[(1, 8406840), (2, 4203420), (3, 2802280), (4, 2101710), (5, 1681368), (6, 1401140), (8, 1050855), (10, 840684), (12, 700570), (13, 646680), (15, 560456), (17, 494520), (20, 420342), (24, 350285), (26, 323340), (30, 280228), (34, 247260), (39, 215560), (40, 210171), (51, 164840), (52, 161670), (60, 140114), (65, 129336), (68, 123630), (78, 107780), (85, 98904), (102, 82420), (104, 80835), (120, 70057), (130, 64668), (136, 61815), (156, 53890), (170, 49452), (195, 43112), (204, 41210), (221, 38040), (255, 32968), (260, 32334), (312, 26945), (317, 26520), (340, 24726), (390, 21556), (408, 20605), (442, 19020), (510, 16484), (520, 16167), (634, 13260), (663, 12680), (680, 12363), (780, 10778), (884, 9510), (951, 8840), (1020, 8242), (1105, 7608), (1268, 6630), (1326, 6340), (1560, 5389), (1585, 5304), (1768, 4755), (1902, 4420), (2040, 4121), (2210, 3804), (2536, 3315), (2652, 3170)]