15220890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 39907296

約数和(自身を除く): 24686406

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1291, 1310, 1965, 2358, 2582, 3873, 3930, 5895, 6455, 7746, 11619, 11790, 12910, 19365, 23238, 38730, 58095, 116190, 169121, 338242, 507363, 845605, 1014726, 1522089, 1691210, 2536815, 3044178, 5073630, 7610445, 15220890]

約数ペア:

[(1, 15220890), (2, 7610445), (3, 5073630), (5, 3044178), (6, 2536815), (9, 1691210), (10, 1522089), (15, 1014726), (18, 845605), (30, 507363), (45, 338242), (90, 169121), (131, 116190), (262, 58095), (393, 38730), (655, 23238), (786, 19365), (1179, 12910), (1291, 11790), (1310, 11619), (1965, 7746), (2358, 6455), (2582, 5895), (3873, 3930)]