128849940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79537}}^1$

素因数の和:79558

約数の個数: 60

約数和(自身を含む): 404212116

約数和(自身を除く): 275362176

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 79537, 159074, 238611, 318148, 397685, 477222, 715833, 795370, 954444, 1193055, 1431666, 1590740, 2147499, 2386110, 2863332, 3579165, 4294998, 4772220, 6442497, 7158330, 8589996, 10737495, 12884994, 14316660, 21474990, 25769988, 32212485, 42949980, 64424970, 128849940]

約数ペア:

[(1, 128849940), (2, 64424970), (3, 42949980), (4, 32212485), (5, 25769988), (6, 21474990), (9, 14316660), (10, 12884994), (12, 10737495), (15, 8589996), (18, 7158330), (20, 6442497), (27, 4772220), (30, 4294998), (36, 3579165), (45, 2863332), (54, 2386110), (60, 2147499), (81, 1590740), (90, 1431666), (108, 1193055), (135, 954444), (162, 795370), (180, 715833), (270, 477222), (324, 397685), (405, 318148), (540, 238611), (810, 159074), (1620, 79537)]