123256710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19289}}^1$

素因数の和:19373

約数の個数: 48

約数和(自身を含む): 324997920

約数和(自身を除く): 201741210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 19289, 38578, 57867, 96445, 115734, 173601, 192890, 289335, 347202, 578670, 868005, 1369519, 1736010, 2739038, 4108557, 6847595, 8217114, 12325671, 13695190, 20542785, 24651342, 41085570, 61628355, 123256710]

約数ペア:

[(1, 123256710), (2, 61628355), (3, 41085570), (5, 24651342), (6, 20542785), (9, 13695190), (10, 12325671), (15, 8217114), (18, 6847595), (30, 4108557), (45, 2739038), (71, 1736010), (90, 1369519), (142, 868005), (213, 578670), (355, 347202), (426, 289335), (639, 192890), (710, 173601), (1065, 115734), (1278, 96445), (2130, 57867), (3195, 38578), (6390, 19289)]