121378920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2683}}^1$

素因数の和:2739

約数の個数: 128

約数和(自身を含む): 405820800

約数和(自身を除く): 284441880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 696, 754, 780, 870, 1131, 1160, 1508, 1560, 1740, 1885, 2262, 2683, 3016, 3480, 3770, 4524, 5366, 5655, 7540, 8049, 9048, 10732, 11310, 13415, 15080, 16098, 21464, 22620, 26830, 32196, 34879, 40245, 45240, 53660, 64392, 69758, 77807, 80490, 104637, 107320, 139516, 155614, 160980, 174395, 209274, 233421, 279032, 311228, 321960, 348790, 389035, 418548, 466842, 523185, 622456, 697580, 778070, 837096, 933684, 1011491, 1046370, 1167105, 1395160, 1556140, 1867368, 2022982, 2092740, 2334210, 3034473, 3112280, 4045964, 4185480, 4668420, 5057455, 6068946, 8091928, 9336840, 10114910, 12137892, 15172365, 20229820, 24275784, 30344730, 40459640, 60689460, 121378920]

約数ペア:

[(1, 121378920), (2, 60689460), (3, 40459640), (4, 30344730), (5, 24275784), (6, 20229820), (8, 15172365), (10, 12137892), (12, 10114910), (13, 9336840), (15, 8091928), (20, 6068946), (24, 5057455), (26, 4668420), (29, 4185480), (30, 4045964), (39, 3112280), (40, 3034473), (52, 2334210), (58, 2092740), (60, 2022982), (65, 1867368), (78, 1556140), (87, 1395160), (104, 1167105), (116, 1046370), (120, 1011491), (130, 933684), (145, 837096), (156, 778070), (174, 697580), (195, 622456), (232, 523185), (260, 466842), (290, 418548), (312, 389035), (348, 348790), (377, 321960), (390, 311228), (435, 279032), (520, 233421), (580, 209274), (696, 174395), (754, 160980), (780, 155614), (870, 139516), (1131, 107320), (1160, 104637), (1508, 80490), (1560, 77807), (1740, 69758), (1885, 64392), (2262, 53660), (2683, 45240), (3016, 40245), (3480, 34879), (3770, 32196), (4524, 26830), (5366, 22620), (5655, 21464), (7540, 16098), (8049, 15080), (9048, 13415), (10732, 11310)]