61809360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257539}}^1$

素因数の和:257555

約数の個数: 40

約数和(自身を含む): 191609760

約数和(自身を除く): 129800400

約数列:

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

約数ペア:

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