1218991520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3454

約数の個数: 96

約数和(自身を含む): 3003340032

約数和(自身を除く): 1784348512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 53, 80, 86, 106, 160, 172, 212, 215, 265, 344, 424, 430, 530, 688, 848, 860, 1060, 1376, 1696, 1720, 2120, 2279, 3343, 3440, 4240, 4558, 6686, 6880, 8480, 9116, 11395, 13372, 16715, 18232, 22790, 26744, 33430, 36464, 45580, 53488, 66860, 72928, 91160, 106976, 133720, 143749, 177179, 182320, 267440, 287498, 354358, 364640, 534880, 574996, 708716, 718745, 885895, 1149992, 1417432, 1437490, 1771790, 2299984, 2834864, 2874980, 3543580, 4599968, 5669728, 5749960, 7087160, 7618697, 11499920, 14174320, 15237394, 22999840, 28348640, 30474788, 38093485, 60949576, 76186970, 121899152, 152373940, 243798304, 304747880, 609495760, 1218991520]

約数ペア:

[(1, 1218991520), (2, 609495760), (4, 304747880), (5, 243798304), (8, 152373940), (10, 121899152), (16, 76186970), (20, 60949576), (32, 38093485), (40, 30474788), (43, 28348640), (53, 22999840), (80, 15237394), (86, 14174320), (106, 11499920), (160, 7618697), (172, 7087160), (212, 5749960), (215, 5669728), (265, 4599968), (344, 3543580), (424, 2874980), (430, 2834864), (530, 2299984), (688, 1771790), (848, 1437490), (860, 1417432), (1060, 1149992), (1376, 885895), (1696, 718745), (1720, 708716), (2120, 574996), (2279, 534880), (3343, 364640), (3440, 354358), (4240, 287498), (4558, 267440), (6686, 182320), (6880, 177179), (8480, 143749), (9116, 133720), (11395, 106976), (13372, 91160), (16715, 72928), (18232, 66860), (22790, 53488), (26744, 45580), (33430, 36464)]