30870580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3209}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 71724240

約数和(自身を除く): 40853660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 3209, 4810, 6418, 9620, 12836, 16045, 32090, 41717, 64180, 83434, 118733, 166868, 208585, 237466, 417170, 474932, 593665, 834340, 1187330, 1543529, 2374660, 3087058, 6174116, 7717645, 15435290, 30870580]

約数ペア:

[(1, 30870580), (2, 15435290), (4, 7717645), (5, 6174116), (10, 3087058), (13, 2374660), (20, 1543529), (26, 1187330), (37, 834340), (52, 593665), (65, 474932), (74, 417170), (130, 237466), (148, 208585), (185, 166868), (260, 118733), (370, 83434), (481, 64180), (740, 41717), (962, 32090), (1924, 16045), (2405, 12836), (3209, 9620), (4810, 6418)]