90100660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 228735360

約数和(自身を除く): 138634700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 61, 65, 76, 92, 95, 115, 122, 130, 169, 190, 230, 244, 247, 260, 299, 305, 338, 380, 437, 460, 494, 598, 610, 676, 793, 845, 874, 988, 1159, 1196, 1220, 1235, 1403, 1495, 1586, 1690, 1748, 2185, 2318, 2470, 2806, 2990, 3172, 3211, 3380, 3887, 3965, 4370, 4636, 4940, 5612, 5681, 5795, 5980, 6422, 7015, 7774, 7930, 8740, 10309, 11362, 11590, 12844, 14030, 15067, 15548, 15860, 16055, 18239, 19435, 20618, 22724, 23180, 26657, 28060, 28405, 30134, 32110, 36478, 38870, 41236, 51545, 53314, 56810, 60268, 64220, 72956, 73853, 75335, 77740, 91195, 103090, 106628, 113620, 133285, 147706, 150670, 182390, 195871, 206180, 237107, 266570, 295412, 301340, 346541, 364780, 369265, 391742, 474214, 533140, 693082, 738530, 783484, 948428, 979355, 1185535, 1386164, 1477060, 1732705, 1958710, 2371070, 3465410, 3917420, 4505033, 4742140, 6930820, 9010066, 18020132, 22525165, 45050330, 90100660]

約数ペア:

[(1, 90100660), (2, 45050330), (4, 22525165), (5, 18020132), (10, 9010066), (13, 6930820), (19, 4742140), (20, 4505033), (23, 3917420), (26, 3465410), (38, 2371070), (46, 1958710), (52, 1732705), (61, 1477060), (65, 1386164), (76, 1185535), (92, 979355), (95, 948428), (115, 783484), (122, 738530), (130, 693082), (169, 533140), (190, 474214), (230, 391742), (244, 369265), (247, 364780), (260, 346541), (299, 301340), (305, 295412), (338, 266570), (380, 237107), (437, 206180), (460, 195871), (494, 182390), (598, 150670), (610, 147706), (676, 133285), (793, 113620), (845, 106628), (874, 103090), (988, 91195), (1159, 77740), (1196, 75335), (1220, 73853), (1235, 72956), (1403, 64220), (1495, 60268), (1586, 56810), (1690, 53314), (1748, 51545), (2185, 41236), (2318, 38870), (2470, 36478), (2806, 32110), (2990, 30134), (3172, 28405), (3211, 28060), (3380, 26657), (3887, 23180), (3965, 22724), (4370, 20618), (4636, 19435), (4940, 18239), (5612, 16055), (5681, 15860), (5795, 15548), (5980, 15067), (6422, 14030), (7015, 12844), (7774, 11590), (7930, 11362), (8740, 10309)]