201528990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7489}}^1$

素因数の和:7538

約数の個数: 96

約数和(自身を含む): 588893760

約数和(自身を除く): 387364770

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 30, 39, 45, 46, 65, 69, 78, 90, 115, 117, 130, 138, 195, 207, 230, 234, 299, 345, 390, 414, 585, 598, 690, 897, 1035, 1170, 1495, 1794, 2070, 2691, 2990, 4485, 5382, 7489, 8970, 13455, 14978, 22467, 26910, 37445, 44934, 67401, 74890, 97357, 112335, 134802, 172247, 194714, 224670, 292071, 337005, 344494, 486785, 516741, 584142, 674010, 861235, 876213, 973570, 1033482, 1460355, 1550223, 1722470, 1752426, 2239211, 2583705, 2920710, 3100446, 4381065, 4478422, 5167410, 6717633, 7751115, 8762130, 11196055, 13435266, 15502230, 20152899, 22392110, 33588165, 40305798, 67176330, 100764495, 201528990]

約数ペア:

[(1, 201528990), (2, 100764495), (3, 67176330), (5, 40305798), (6, 33588165), (9, 22392110), (10, 20152899), (13, 15502230), (15, 13435266), (18, 11196055), (23, 8762130), (26, 7751115), (30, 6717633), (39, 5167410), (45, 4478422), (46, 4381065), (65, 3100446), (69, 2920710), (78, 2583705), (90, 2239211), (115, 1752426), (117, 1722470), (130, 1550223), (138, 1460355), (195, 1033482), (207, 973570), (230, 876213), (234, 861235), (299, 674010), (345, 584142), (390, 516741), (414, 486785), (585, 344494), (598, 337005), (690, 292071), (897, 224670), (1035, 194714), (1170, 172247), (1495, 134802), (1794, 112335), (2070, 97357), (2691, 74890), (2990, 67401), (4485, 44934), (5382, 37445), (7489, 26910), (8970, 22467), (13455, 14978)]