4801980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 13555584

約数和(自身を除く): 8753604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 491, 652, 815, 978, 982, 1473, 1630, 1956, 1964, 2445, 2455, 2946, 3260, 4890, 4910, 5892, 7365, 9780, 9820, 14730, 29460, 80033, 160066, 240099, 320132, 400165, 480198, 800330, 960396, 1200495, 1600660, 2400990, 4801980]

約数ペア:

[(1, 4801980), (2, 2400990), (3, 1600660), (4, 1200495), (5, 960396), (6, 800330), (10, 480198), (12, 400165), (15, 320132), (20, 240099), (30, 160066), (60, 80033), (163, 29460), (326, 14730), (489, 9820), (491, 9780), (652, 7365), (815, 5892), (978, 4910), (982, 4890), (1473, 3260), (1630, 2946), (1956, 2455), (1964, 2445)]