90861040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 234516240

約数和(自身を除く): 143655200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 113, 115, 152, 184, 190, 226, 230, 304, 368, 380, 437, 452, 460, 529, 565, 760, 874, 904, 920, 1058, 1130, 1520, 1748, 1808, 1840, 2116, 2147, 2185, 2260, 2599, 2645, 3496, 4232, 4294, 4370, 4520, 5198, 5290, 6992, 8464, 8588, 8740, 9040, 10051, 10396, 10580, 10735, 12995, 17176, 17480, 20102, 20792, 21160, 21470, 25990, 34352, 34960, 40204, 41584, 42320, 42940, 49381, 50255, 51980, 59777, 80408, 85880, 98762, 100510, 103960, 119554, 160816, 171760, 197524, 201020, 207920, 239108, 246905, 298885, 395048, 402040, 478216, 493810, 597770, 790096, 804080, 956432, 987620, 1135763, 1195540, 1975240, 2271526, 2391080, 3950480, 4543052, 4782160, 5678815, 9086104, 11357630, 18172208, 22715260, 45430520, 90861040]

約数ペア:

[(1, 90861040), (2, 45430520), (4, 22715260), (5, 18172208), (8, 11357630), (10, 9086104), (16, 5678815), (19, 4782160), (20, 4543052), (23, 3950480), (38, 2391080), (40, 2271526), (46, 1975240), (76, 1195540), (80, 1135763), (92, 987620), (95, 956432), (113, 804080), (115, 790096), (152, 597770), (184, 493810), (190, 478216), (226, 402040), (230, 395048), (304, 298885), (368, 246905), (380, 239108), (437, 207920), (452, 201020), (460, 197524), (529, 171760), (565, 160816), (760, 119554), (874, 103960), (904, 100510), (920, 98762), (1058, 85880), (1130, 80408), (1520, 59777), (1748, 51980), (1808, 50255), (1840, 49381), (2116, 42940), (2147, 42320), (2185, 41584), (2260, 40204), (2599, 34960), (2645, 34352), (3496, 25990), (4232, 21470), (4294, 21160), (4370, 20792), (4520, 20102), (5198, 17480), (5290, 17176), (6992, 12995), (8464, 10735), (8588, 10580), (8740, 10396), (9040, 10051)]