28229640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{641}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 85052160

約数和(自身を除く): 56822520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 367, 641, 734, 1101, 1282, 1468, 1835, 1923, 2202, 2564, 2936, 3205, 3670, 3846, 4404, 5128, 5505, 6410, 7340, 7692, 8808, 9615, 11010, 12820, 14680, 15384, 19230, 22020, 25640, 38460, 44040, 76920, 235247, 470494, 705741, 940988, 1176235, 1411482, 1881976, 2352470, 2822964, 3528705, 4704940, 5645928, 7057410, 9409880, 14114820, 28229640]

約数ペア:

[(1, 28229640), (2, 14114820), (3, 9409880), (4, 7057410), (5, 5645928), (6, 4704940), (8, 3528705), (10, 2822964), (12, 2352470), (15, 1881976), (20, 1411482), (24, 1176235), (30, 940988), (40, 705741), (60, 470494), (120, 235247), (367, 76920), (641, 44040), (734, 38460), (1101, 25640), (1282, 22020), (1468, 19230), (1835, 15384), (1923, 14680), (2202, 12820), (2564, 11010), (2936, 9615), (3205, 8808), (3670, 7692), (3846, 7340), (4404, 6410), (5128, 5505)]