90907960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 128

約数和(自身を含む): 251112960

約数和(自身を除く): 160205000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 88, 92, 104, 110, 115, 130, 143, 184, 220, 230, 253, 260, 286, 299, 440, 460, 506, 520, 572, 598, 691, 715, 920, 1012, 1144, 1196, 1265, 1382, 1430, 1495, 2024, 2392, 2530, 2764, 2860, 2990, 3289, 3455, 5060, 5528, 5720, 5980, 6578, 6910, 7601, 8983, 10120, 11960, 13156, 13820, 15202, 15893, 16445, 17966, 26312, 27640, 30404, 31786, 32890, 35932, 38005, 44915, 60808, 63572, 65780, 71864, 76010, 79465, 89830, 98813, 127144, 131560, 152020, 158930, 174823, 179660, 197626, 206609, 304040, 317860, 349646, 359320, 395252, 413218, 494065, 635720, 699292, 790504, 826436, 874115, 988130, 1033045, 1398584, 1652872, 1748230, 1976260, 2066090, 2272699, 3496460, 3952520, 4132180, 4545398, 6992920, 8264360, 9090796, 11363495, 18181592, 22726990, 45453980, 90907960]

約数ペア:

[(1, 90907960), (2, 45453980), (4, 22726990), (5, 18181592), (8, 11363495), (10, 9090796), (11, 8264360), (13, 6992920), (20, 4545398), (22, 4132180), (23, 3952520), (26, 3496460), (40, 2272699), (44, 2066090), (46, 1976260), (52, 1748230), (55, 1652872), (65, 1398584), (88, 1033045), (92, 988130), (104, 874115), (110, 826436), (115, 790504), (130, 699292), (143, 635720), (184, 494065), (220, 413218), (230, 395252), (253, 359320), (260, 349646), (286, 317860), (299, 304040), (440, 206609), (460, 197626), (506, 179660), (520, 174823), (572, 158930), (598, 152020), (691, 131560), (715, 127144), (920, 98813), (1012, 89830), (1144, 79465), (1196, 76010), (1265, 71864), (1382, 65780), (1430, 63572), (1495, 60808), (2024, 44915), (2392, 38005), (2530, 35932), (2764, 32890), (2860, 31786), (2990, 30404), (3289, 27640), (3455, 26312), (5060, 17966), (5528, 16445), (5720, 15893), (5980, 15202), (6578, 13820), (6910, 13156), (7601, 11960), (8983, 10120)]