123247920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{513533}}^1$

素因数の和:513549

約数の個数: 40

約数和(自身を含む): 382069296

約数和(自身を除く): 258821376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 513533, 1027066, 1540599, 2054132, 2567665, 3081198, 4108264, 5135330, 6162396, 7702995, 8216528, 10270660, 12324792, 15405990, 20541320, 24649584, 30811980, 41082640, 61623960, 123247920]

約数ペア:

[(1, 123247920), (2, 61623960), (3, 41082640), (4, 30811980), (5, 24649584), (6, 20541320), (8, 15405990), (10, 12324792), (12, 10270660), (15, 8216528), (16, 7702995), (20, 6162396), (24, 5135330), (30, 4108264), (40, 3081198), (48, 2567665), (60, 2054132), (80, 1540599), (120, 1027066), (240, 513533)]