30031960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{379}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 77702400

約数和(自身を除く): 47670440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 283, 379, 566, 758, 1132, 1415, 1516, 1895, 1981, 2264, 2653, 2830, 3032, 3790, 3962, 5306, 5660, 7580, 7924, 9905, 10612, 11320, 13265, 15160, 15848, 19810, 21224, 26530, 39620, 53060, 79240, 106120, 107257, 214514, 429028, 536285, 750799, 858056, 1072570, 1501598, 2145140, 3003196, 3753995, 4290280, 6006392, 7507990, 15015980, 30031960]

約数ペア:

[(1, 30031960), (2, 15015980), (4, 7507990), (5, 6006392), (7, 4290280), (8, 3753995), (10, 3003196), (14, 2145140), (20, 1501598), (28, 1072570), (35, 858056), (40, 750799), (56, 536285), (70, 429028), (140, 214514), (280, 107257), (283, 106120), (379, 79240), (566, 53060), (758, 39620), (1132, 26530), (1415, 21224), (1516, 19810), (1895, 15848), (1981, 15160), (2264, 13265), (2653, 11320), (2830, 10612), (3032, 9905), (3790, 7924), (3962, 7580), (5306, 5660)]