15801920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 112

約数和(自身を含む): 41696640

約数和(自身を除く): 25894720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 113, 115, 152, 160, 184, 190, 226, 230, 304, 320, 368, 380, 437, 452, 460, 565, 608, 736, 760, 874, 904, 920, 1130, 1216, 1472, 1520, 1748, 1808, 1840, 2147, 2185, 2260, 2599, 3040, 3496, 3616, 3680, 4294, 4370, 4520, 5198, 6080, 6992, 7232, 7360, 8588, 8740, 9040, 10396, 10735, 12995, 13984, 17176, 17480, 18080, 20792, 21470, 25990, 27968, 34352, 34960, 36160, 41584, 42940, 49381, 51980, 68704, 69920, 83168, 85880, 98762, 103960, 137408, 139840, 166336, 171760, 197524, 207920, 246905, 343520, 395048, 415840, 493810, 687040, 790096, 831680, 987620, 1580192, 1975240, 3160384, 3950480, 7900960, 15801920]

約数ペア:

[(1, 15801920), (2, 7900960), (4, 3950480), (5, 3160384), (8, 1975240), (10, 1580192), (16, 987620), (19, 831680), (20, 790096), (23, 687040), (32, 493810), (38, 415840), (40, 395048), (46, 343520), (64, 246905), (76, 207920), (80, 197524), (92, 171760), (95, 166336), (113, 139840), (115, 137408), (152, 103960), (160, 98762), (184, 85880), (190, 83168), (226, 69920), (230, 68704), (304, 51980), (320, 49381), (368, 42940), (380, 41584), (437, 36160), (452, 34960), (460, 34352), (565, 27968), (608, 25990), (736, 21470), (760, 20792), (874, 18080), (904, 17480), (920, 17176), (1130, 13984), (1216, 12995), (1472, 10735), (1520, 10396), (1748, 9040), (1808, 8740), (1840, 8588), (2147, 7360), (2185, 7232), (2260, 6992), (2599, 6080), (3040, 5198), (3496, 4520), (3616, 4370), (3680, 4294)]