31182019980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7319723}}^1$

素因数の和:7319806

約数の個数: 48

約数和(自身を含む): 88539381504

約数和(自身を除く): 57357361524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7319723, 14639446, 21959169, 29278892, 36598615, 43918338, 73197230, 87836676, 109795845, 146394460, 219591690, 439183380, 519700333, 1039400666, 1559100999, 2078801332, 2598501665, 3118201998, 5197003330, 6236403996, 7795504995, 10394006660, 15591009990, 31182019980]

約数ペア:

[(1, 31182019980), (2, 15591009990), (3, 10394006660), (4, 7795504995), (5, 6236403996), (6, 5197003330), (10, 3118201998), (12, 2598501665), (15, 2078801332), (20, 1559100999), (30, 1039400666), (60, 519700333), (71, 439183380), (142, 219591690), (213, 146394460), (284, 109795845), (355, 87836676), (426, 73197230), (710, 43918338), (852, 36598615), (1065, 29278892), (1420, 21959169), (2130, 14639446), (4260, 7319723)]