81406470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38219}}^1$

素因数の和:38300

約数の個数: 32

約数和(自身を含む): 198132480

約数和(自身を除く): 116726010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 38219, 76438, 114657, 191095, 229314, 382190, 573285, 1146570, 2713549, 5427098, 8140647, 13567745, 16281294, 27135490, 40703235, 81406470]

約数ペア:

[(1, 81406470), (2, 40703235), (3, 27135490), (5, 16281294), (6, 13567745), (10, 8140647), (15, 5427098), (30, 2713549), (71, 1146570), (142, 573285), (213, 382190), (355, 229314), (426, 191095), (710, 114657), (1065, 76438), (2130, 38219)]