28440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 93600

約数和(自身を除く): 65160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 711, 790, 948, 1185, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 4740, 5688, 7110, 9480, 14220, 28440]

約数ペア:

[(1, 28440), (2, 14220), (3, 9480), (4, 7110), (5, 5688), (6, 4740), (8, 3555), (9, 3160), (10, 2844), (12, 2370), (15, 1896), (18, 1580), (20, 1422), (24, 1185), (30, 948), (36, 790), (40, 711), (45, 632), (60, 474), (72, 395), (79, 360), (90, 316), (120, 237), (158, 180)]