320672976

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{513899}}^1$

素因数の和:513923

約数の個数: 40

約数和(自身を含む): 892130400

約数和(自身を除く): 571457424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 513899, 1027798, 1541697, 2055596, 3083394, 4111192, 6166788, 6680687, 8222384, 12333576, 13361374, 20042061, 24667152, 26722748, 40084122, 53445496, 80168244, 106890992, 160336488, 320672976]

約数ペア:

[(1, 320672976), (2, 160336488), (3, 106890992), (4, 80168244), (6, 53445496), (8, 40084122), (12, 26722748), (13, 24667152), (16, 20042061), (24, 13361374), (26, 12333576), (39, 8222384), (48, 6680687), (52, 6166788), (78, 4111192), (104, 3083394), (156, 2055596), (208, 1541697), (312, 1027798), (624, 513899)]