87276780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15641}}^1$

素因数の和:15687

約数の個数: 72

約数和(自身を含む): 273297024

約数和(自身を除く): 186020244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 15641, 31282, 46923, 62564, 78205, 93846, 140769, 156410, 187692, 234615, 281538, 312820, 469230, 484871, 563076, 703845, 938460, 969742, 1407690, 1454613, 1939484, 2424355, 2815380, 2909226, 4363839, 4848710, 5818452, 7273065, 8727678, 9697420, 14546130, 17455356, 21819195, 29092260, 43638390, 87276780]

約数ペア:

[(1, 87276780), (2, 43638390), (3, 29092260), (4, 21819195), (5, 17455356), (6, 14546130), (9, 9697420), (10, 8727678), (12, 7273065), (15, 5818452), (18, 4848710), (20, 4363839), (30, 2909226), (31, 2815380), (36, 2424355), (45, 1939484), (60, 1454613), (62, 1407690), (90, 969742), (93, 938460), (124, 703845), (155, 563076), (180, 484871), (186, 469230), (279, 312820), (310, 281538), (372, 234615), (465, 187692), (558, 156410), (620, 140769), (930, 93846), (1116, 78205), (1395, 62564), (1860, 46923), (2790, 31282), (5580, 15641)]