31409640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:376

約数の個数: 128

約数和(自身を含む): 105984000

約数和(自身を除く): 74574360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 216, 229, 254, 270, 360, 381, 458, 508, 540, 635, 687, 762, 916, 1016, 1080, 1143, 1145, 1270, 1374, 1524, 1832, 1905, 2061, 2286, 2290, 2540, 2748, 3048, 3429, 3435, 3810, 4122, 4572, 4580, 5080, 5496, 5715, 6183, 6858, 6870, 7620, 8244, 9144, 9160, 10305, 11430, 12366, 13716, 13740, 15240, 16488, 17145, 20610, 22860, 24732, 27432, 27480, 29083, 30915, 34290, 41220, 45720, 49464, 58166, 61830, 68580, 82440, 87249, 116332, 123660, 137160, 145415, 174498, 232664, 247320, 261747, 290830, 348996, 436245, 523494, 581660, 697992, 785241, 872490, 1046988, 1163320, 1308735, 1570482, 1744980, 2093976, 2617470, 3140964, 3489960, 3926205, 5234940, 6281928, 7852410, 10469880, 15704820, 31409640]

約数ペア:

[(1, 31409640), (2, 15704820), (3, 10469880), (4, 7852410), (5, 6281928), (6, 5234940), (8, 3926205), (9, 3489960), (10, 3140964), (12, 2617470), (15, 2093976), (18, 1744980), (20, 1570482), (24, 1308735), (27, 1163320), (30, 1046988), (36, 872490), (40, 785241), (45, 697992), (54, 581660), (60, 523494), (72, 436245), (90, 348996), (108, 290830), (120, 261747), (127, 247320), (135, 232664), (180, 174498), (216, 145415), (229, 137160), (254, 123660), (270, 116332), (360, 87249), (381, 82440), (458, 68580), (508, 61830), (540, 58166), (635, 49464), (687, 45720), (762, 41220), (916, 34290), (1016, 30915), (1080, 29083), (1143, 27480), (1145, 27432), (1270, 24732), (1374, 22860), (1524, 20610), (1832, 17145), (1905, 16488), (2061, 15240), (2286, 13740), (2290, 13716), (2540, 12366), (2748, 11430), (3048, 10305), (3429, 9160), (3435, 9144), (3810, 8244), (4122, 7620), (4572, 6870), (4580, 6858), (5080, 6183), (5496, 5715)]