30811380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13879}}^1$

素因数の和:13928

約数の個数: 48

約数和(自身を含む): 88609920

約数和(自身を除く): 57798540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 13879, 27758, 41637, 55516, 69395, 83274, 138790, 166548, 208185, 277580, 416370, 513523, 832740, 1027046, 1540569, 2054092, 2567615, 3081138, 5135230, 6162276, 7702845, 10270460, 15405690, 30811380]

約数ペア:

[(1, 30811380), (2, 15405690), (3, 10270460), (4, 7702845), (5, 6162276), (6, 5135230), (10, 3081138), (12, 2567615), (15, 2054092), (20, 1540569), (30, 1027046), (37, 832740), (60, 513523), (74, 416370), (111, 277580), (148, 208185), (185, 166548), (222, 138790), (370, 83274), (444, 69395), (555, 55516), (740, 41637), (1110, 27758), (2220, 13879)]