315090256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 678956544

約数和(自身を除く): 363866288

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 167, 188, 193, 208, 334, 376, 386, 611, 668, 752, 772, 1222, 1336, 1544, 2171, 2444, 2509, 2672, 3088, 4342, 4888, 5018, 7849, 8684, 9071, 9776, 10036, 15698, 17368, 18142, 20072, 31396, 32231, 34736, 36284, 40144, 62792, 64462, 72568, 102037, 117923, 125584, 128924, 145136, 204074, 235846, 257848, 408148, 419003, 471692, 515696, 816296, 838006, 943384, 1514857, 1632592, 1676012, 1886768, 3029714, 3352024, 6059428, 6704048, 12118856, 19693141, 24237712, 39386282, 78772564, 157545128, 315090256]

約数ペア:

[(1, 315090256), (2, 157545128), (4, 78772564), (8, 39386282), (13, 24237712), (16, 19693141), (26, 12118856), (47, 6704048), (52, 6059428), (94, 3352024), (104, 3029714), (167, 1886768), (188, 1676012), (193, 1632592), (208, 1514857), (334, 943384), (376, 838006), (386, 816296), (611, 515696), (668, 471692), (752, 419003), (772, 408148), (1222, 257848), (1336, 235846), (1544, 204074), (2171, 145136), (2444, 128924), (2509, 125584), (2672, 117923), (3088, 102037), (4342, 72568), (4888, 64462), (5018, 62792), (7849, 40144), (8684, 36284), (9071, 34736), (9776, 32231), (10036, 31396), (15698, 20072), (17368, 18142)]