231612160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 618105600

約数和(自身を除く): 386493440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 449, 496, 520, 620, 640, 806, 832, 898, 992, 1040, 1240, 1280, 1612, 1664, 1796, 1984, 2015, 2080, 2245, 2480, 3224, 3328, 3592, 3968, 4030, 4160, 4490, 4960, 5837, 6448, 7184, 7936, 8060, 8320, 8980, 9920, 11674, 12896, 13919, 14368, 16120, 16640, 17960, 19840, 23348, 25792, 27838, 28736, 29185, 32240, 35920, 39680, 46696, 51584, 55676, 57472, 58370, 64480, 69595, 71840, 93392, 103168, 111352, 114944, 116740, 128960, 139190, 143680, 180947, 186784, 222704, 233480, 257920, 278380, 287360, 361894, 373568, 445408, 466960, 515840, 556760, 574720, 723788, 747136, 890816, 904735, 933920, 1113520, 1447576, 1494272, 1781632, 1809470, 1867840, 2227040, 2895152, 3563264, 3618940, 3735680, 4454080, 5790304, 7237880, 7471360, 8908160, 11580608, 14475760, 17816320, 23161216, 28951520, 46322432, 57903040, 115806080, 231612160]

約数ペア:

[(1, 231612160), (2, 115806080), (4, 57903040), (5, 46322432), (8, 28951520), (10, 23161216), (13, 17816320), (16, 14475760), (20, 11580608), (26, 8908160), (31, 7471360), (32, 7237880), (40, 5790304), (52, 4454080), (62, 3735680), (64, 3618940), (65, 3563264), (80, 2895152), (104, 2227040), (124, 1867840), (128, 1809470), (130, 1781632), (155, 1494272), (160, 1447576), (208, 1113520), (248, 933920), (256, 904735), (260, 890816), (310, 747136), (320, 723788), (403, 574720), (416, 556760), (449, 515840), (496, 466960), (520, 445408), (620, 373568), (640, 361894), (806, 287360), (832, 278380), (898, 257920), (992, 233480), (1040, 222704), (1240, 186784), (1280, 180947), (1612, 143680), (1664, 139190), (1796, 128960), (1984, 116740), (2015, 114944), (2080, 111352), (2245, 103168), (2480, 93392), (3224, 71840), (3328, 69595), (3592, 64480), (3968, 58370), (4030, 57472), (4160, 55676), (4490, 51584), (4960, 46696), (5837, 39680), (6448, 35920), (7184, 32240), (7936, 29185), (8060, 28736), (8320, 27838), (8980, 25792), (9920, 23348), (11674, 19840), (12896, 17960), (13919, 16640), (14368, 16120)]