31620720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{367}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 98565120

約数和(自身を除く): 66944400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 359, 367, 718, 734, 1077, 1101, 1436, 1468, 1795, 1835, 2154, 2202, 2872, 2936, 3590, 3670, 4308, 4404, 5385, 5505, 5744, 5872, 7180, 7340, 8616, 8808, 10770, 11010, 14360, 14680, 17232, 17616, 21540, 22020, 28720, 29360, 43080, 44040, 86160, 88080, 131753, 263506, 395259, 527012, 658765, 790518, 1054024, 1317530, 1581036, 1976295, 2108048, 2635060, 3162072, 3952590, 5270120, 6324144, 7905180, 10540240, 15810360, 31620720]

約数ペア:

[(1, 31620720), (2, 15810360), (3, 10540240), (4, 7905180), (5, 6324144), (6, 5270120), (8, 3952590), (10, 3162072), (12, 2635060), (15, 2108048), (16, 1976295), (20, 1581036), (24, 1317530), (30, 1054024), (40, 790518), (48, 658765), (60, 527012), (80, 395259), (120, 263506), (240, 131753), (359, 88080), (367, 86160), (718, 44040), (734, 43080), (1077, 29360), (1101, 28720), (1436, 22020), (1468, 21540), (1795, 17616), (1835, 17232), (2154, 14680), (2202, 14360), (2872, 11010), (2936, 10770), (3590, 8808), (3670, 8616), (4308, 7340), (4404, 7180), (5385, 5872), (5505, 5744)]