27370280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 70848000

約数和(自身を除く): 43477720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 409, 478, 818, 956, 1195, 1636, 1673, 1912, 2045, 2390, 2863, 3272, 3346, 4090, 4780, 5726, 6692, 8180, 8365, 9560, 11452, 13384, 14315, 16360, 16730, 22904, 28630, 33460, 57260, 66920, 97751, 114520, 195502, 391004, 488755, 684257, 782008, 977510, 1368514, 1955020, 2737028, 3421285, 3910040, 5474056, 6842570, 13685140, 27370280]

約数ペア:

[(1, 27370280), (2, 13685140), (4, 6842570), (5, 5474056), (7, 3910040), (8, 3421285), (10, 2737028), (14, 1955020), (20, 1368514), (28, 977510), (35, 782008), (40, 684257), (56, 488755), (70, 391004), (140, 195502), (239, 114520), (280, 97751), (409, 66920), (478, 57260), (818, 33460), (956, 28630), (1195, 22904), (1636, 16730), (1673, 16360), (1912, 14315), (2045, 13384), (2390, 11452), (2863, 9560), (3272, 8365), (3346, 8180), (4090, 6692), (4780, 5726)]