206788920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1965

約数の個数: 128

約数和(自身を含む): 677859840

約数和(自身を除く): 471070920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 71, 78, 104, 120, 130, 142, 156, 195, 213, 260, 284, 312, 355, 390, 426, 520, 568, 710, 780, 852, 923, 1065, 1420, 1560, 1704, 1846, 1867, 2130, 2769, 2840, 3692, 3734, 4260, 4615, 5538, 5601, 7384, 7468, 8520, 9230, 9335, 11076, 11202, 13845, 14936, 18460, 18670, 22152, 22404, 24271, 27690, 28005, 36920, 37340, 44808, 48542, 55380, 56010, 72813, 74680, 97084, 110760, 112020, 121355, 132557, 145626, 194168, 224040, 242710, 265114, 291252, 364065, 397671, 485420, 530228, 582504, 662785, 728130, 795342, 970840, 1060456, 1325570, 1456260, 1590684, 1723241, 1988355, 2651140, 2912520, 3181368, 3446482, 3976710, 5169723, 5302280, 6892964, 7953420, 8616205, 10339446, 13785928, 15906840, 17232410, 20678892, 25848615, 34464820, 41357784, 51697230, 68929640, 103394460, 206788920]

約数ペア:

[(1, 206788920), (2, 103394460), (3, 68929640), (4, 51697230), (5, 41357784), (6, 34464820), (8, 25848615), (10, 20678892), (12, 17232410), (13, 15906840), (15, 13785928), (20, 10339446), (24, 8616205), (26, 7953420), (30, 6892964), (39, 5302280), (40, 5169723), (52, 3976710), (60, 3446482), (65, 3181368), (71, 2912520), (78, 2651140), (104, 1988355), (120, 1723241), (130, 1590684), (142, 1456260), (156, 1325570), (195, 1060456), (213, 970840), (260, 795342), (284, 728130), (312, 662785), (355, 582504), (390, 530228), (426, 485420), (520, 397671), (568, 364065), (710, 291252), (780, 265114), (852, 242710), (923, 224040), (1065, 194168), (1420, 145626), (1560, 132557), (1704, 121355), (1846, 112020), (1867, 110760), (2130, 97084), (2769, 74680), (2840, 72813), (3692, 56010), (3734, 55380), (4260, 48542), (4615, 44808), (5538, 37340), (5601, 36920), (7384, 28005), (7468, 27690), (8520, 24271), (9230, 22404), (9335, 22152), (11076, 18670), (11202, 18460), (13845, 14936)]