90618880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1609}}^1$

素因数の和:1645

約数の個数: 88

約数和(自身を含む): 237288240

約数和(自身を除く): 146669360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1609, 1760, 2560, 2816, 3218, 3520, 5120, 5632, 6436, 7040, 8045, 11264, 12872, 14080, 16090, 17699, 25744, 28160, 32180, 35398, 51488, 56320, 64360, 70796, 88495, 102976, 128720, 141592, 176990, 205952, 257440, 283184, 353980, 411904, 514880, 566368, 707960, 823808, 1029760, 1132736, 1415920, 1647616, 2059520, 2265472, 2831840, 4119040, 4530944, 5663680, 8238080, 9061888, 11327360, 18123776, 22654720, 45309440, 90618880]

約数ペア:

[(1, 90618880), (2, 45309440), (4, 22654720), (5, 18123776), (8, 11327360), (10, 9061888), (11, 8238080), (16, 5663680), (20, 4530944), (22, 4119040), (32, 2831840), (40, 2265472), (44, 2059520), (55, 1647616), (64, 1415920), (80, 1132736), (88, 1029760), (110, 823808), (128, 707960), (160, 566368), (176, 514880), (220, 411904), (256, 353980), (320, 283184), (352, 257440), (440, 205952), (512, 176990), (640, 141592), (704, 128720), (880, 102976), (1024, 88495), (1280, 70796), (1408, 64360), (1609, 56320), (1760, 51488), (2560, 35398), (2816, 32180), (3218, 28160), (3520, 25744), (5120, 17699), (5632, 16090), (6436, 14080), (7040, 12872), (8045, 11264)]