81380520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17389}}^1$

素因数の和:17419

約数の個数: 96

約数和(自身を含む): 284848200

約数和(自身を除く): 203467680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 17389, 34778, 52167, 69556, 86945, 104334, 139112, 156501, 173890, 208668, 226057, 260835, 313002, 347780, 417336, 452114, 521670, 626004, 678171, 695560, 782505, 904228, 1043340, 1130285, 1252008, 1356342, 1565010, 1808456, 2034513, 2086680, 2260570, 2712684, 3130020, 3390855, 4069026, 4521140, 5425368, 6260040, 6781710, 8138052, 9042280, 10172565, 13563420, 16276104, 20345130, 27126840, 40690260, 81380520]

約数ペア:

[(1, 81380520), (2, 40690260), (3, 27126840), (4, 20345130), (5, 16276104), (6, 13563420), (8, 10172565), (9, 9042280), (10, 8138052), (12, 6781710), (13, 6260040), (15, 5425368), (18, 4521140), (20, 4069026), (24, 3390855), (26, 3130020), (30, 2712684), (36, 2260570), (39, 2086680), (40, 2034513), (45, 1808456), (52, 1565010), (60, 1356342), (65, 1252008), (72, 1130285), (78, 1043340), (90, 904228), (104, 782505), (117, 695560), (120, 678171), (130, 626004), (156, 521670), (180, 452114), (195, 417336), (234, 347780), (260, 313002), (312, 260835), (360, 226057), (390, 208668), (468, 173890), (520, 156501), (585, 139112), (780, 104334), (936, 86945), (1170, 69556), (1560, 52167), (2340, 34778), (4680, 17389)]