68189440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 185431680

約数和(自身を除く): 117242240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 160, 167, 176, 220, 232, 256, 290, 319, 320, 334, 352, 440, 464, 580, 638, 640, 668, 704, 835, 880, 928, 1160, 1276, 1280, 1336, 1408, 1595, 1670, 1760, 1837, 1856, 2320, 2552, 2672, 2816, 3190, 3340, 3520, 3674, 3712, 4640, 4843, 5104, 5344, 6380, 6680, 7040, 7348, 7424, 9185, 9280, 9686, 10208, 10688, 12760, 13360, 14080, 14696, 18370, 18560, 19372, 20416, 21376, 24215, 25520, 26720, 29392, 36740, 37120, 38744, 40832, 42752, 48430, 51040, 53273, 53440, 58784, 73480, 77488, 81664, 96860, 102080, 106546, 106880, 117568, 146960, 154976, 193720, 204160, 213092, 213760, 235136, 266365, 293920, 309952, 387440, 408320, 426184, 470272, 532730, 587840, 619904, 774880, 852368, 1065460, 1175680, 1239808, 1549760, 1704736, 2130920, 2351360, 3099520, 3409472, 4261840, 6199040, 6818944, 8523680, 13637888, 17047360, 34094720, 68189440]

約数ペア:

[(1, 68189440), (2, 34094720), (4, 17047360), (5, 13637888), (8, 8523680), (10, 6818944), (11, 6199040), (16, 4261840), (20, 3409472), (22, 3099520), (29, 2351360), (32, 2130920), (40, 1704736), (44, 1549760), (55, 1239808), (58, 1175680), (64, 1065460), (80, 852368), (88, 774880), (110, 619904), (116, 587840), (128, 532730), (145, 470272), (160, 426184), (167, 408320), (176, 387440), (220, 309952), (232, 293920), (256, 266365), (290, 235136), (319, 213760), (320, 213092), (334, 204160), (352, 193720), (440, 154976), (464, 146960), (580, 117568), (638, 106880), (640, 106546), (668, 102080), (704, 96860), (835, 81664), (880, 77488), (928, 73480), (1160, 58784), (1276, 53440), (1280, 53273), (1336, 51040), (1408, 48430), (1595, 42752), (1670, 40832), (1760, 38744), (1837, 37120), (1856, 36740), (2320, 29392), (2552, 26720), (2672, 25520), (2816, 24215), (3190, 21376), (3340, 20416), (3520, 19372), (3674, 18560), (3712, 18370), (4640, 14696), (4843, 14080), (5104, 13360), (5344, 12760), (6380, 10688), (6680, 10208), (7040, 9686), (7348, 9280), (7424, 9185)]