123618720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{257539}}^1$

素因数の和:257557

約数の個数: 48

約数和(自身を含む): 389400480

約数和(自身を除く): 265781760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 257539, 515078, 772617, 1030156, 1287695, 1545234, 2060312, 2575390, 3090468, 3863085, 4120624, 5150780, 6180936, 7726170, 8241248, 10301560, 12361872, 15452340, 20603120, 24723744, 30904680, 41206240, 61809360, 123618720]

約数ペア:

[(1, 123618720), (2, 61809360), (3, 41206240), (4, 30904680), (5, 24723744), (6, 20603120), (8, 15452340), (10, 12361872), (12, 10301560), (15, 8241248), (16, 7726170), (20, 6180936), (24, 5150780), (30, 4120624), (32, 3863085), (40, 3090468), (48, 2575390), (60, 2060312), (80, 1545234), (96, 1287695), (120, 1030156), (160, 772617), (240, 515078), (480, 257539)]