31313160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{86981}}^1$

素因数の和:86998

約数の個数: 48

約数和(自身を含む): 101768940

約数和(自身を除く): 70455780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 86981, 173962, 260943, 347924, 434905, 521886, 695848, 782829, 869810, 1043772, 1304715, 1565658, 1739620, 2087544, 2609430, 3131316, 3479240, 3914145, 5218860, 6262632, 7828290, 10437720, 15656580, 31313160]

約数ペア:

[(1, 31313160), (2, 15656580), (3, 10437720), (4, 7828290), (5, 6262632), (6, 5218860), (8, 3914145), (9, 3479240), (10, 3131316), (12, 2609430), (15, 2087544), (18, 1739620), (20, 1565658), (24, 1304715), (30, 1043772), (36, 869810), (40, 782829), (45, 695848), (60, 521886), (72, 434905), (90, 347924), (120, 260943), (180, 173962), (360, 86981)]