187654880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1279}}^1$

素因数の和:1432

約数の個数: 96

約数和(自身を含む): 510935040

約数和(自身を除く): 323280160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 131, 140, 160, 224, 262, 280, 524, 560, 655, 917, 1048, 1120, 1279, 1310, 1834, 2096, 2558, 2620, 3668, 4192, 4585, 5116, 5240, 6395, 7336, 8953, 9170, 10232, 10480, 12790, 14672, 17906, 18340, 20464, 20960, 25580, 29344, 35812, 36680, 40928, 44765, 51160, 71624, 73360, 89530, 102320, 143248, 146720, 167549, 179060, 204640, 286496, 335098, 358120, 670196, 716240, 837745, 1172843, 1340392, 1432480, 1675490, 2345686, 2680784, 3350980, 4691372, 5361568, 5864215, 6701960, 9382744, 11728430, 13403920, 18765488, 23456860, 26807840, 37530976, 46913720, 93827440, 187654880]

約数ペア:

[(1, 187654880), (2, 93827440), (4, 46913720), (5, 37530976), (7, 26807840), (8, 23456860), (10, 18765488), (14, 13403920), (16, 11728430), (20, 9382744), (28, 6701960), (32, 5864215), (35, 5361568), (40, 4691372), (56, 3350980), (70, 2680784), (80, 2345686), (112, 1675490), (131, 1432480), (140, 1340392), (160, 1172843), (224, 837745), (262, 716240), (280, 670196), (524, 358120), (560, 335098), (655, 286496), (917, 204640), (1048, 179060), (1120, 167549), (1279, 146720), (1310, 143248), (1834, 102320), (2096, 89530), (2558, 73360), (2620, 71624), (3668, 51160), (4192, 44765), (4585, 40928), (5116, 36680), (5240, 35812), (6395, 29344), (7336, 25580), (8953, 20960), (9170, 20464), (10232, 18340), (10480, 17906), (12790, 14672)]