129963780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23291}}^1$

素因数の和:23337

約数の個数: 72

約数和(自身を含む): 406957824

約数和(自身を除く): 276994044

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, 23291, 46582, 69873, 93164, 116455, 139746, 209619, 232910, 279492, 349365, 419238, 465820, 698730, 722021, 838476, 1048095, 1397460, 1444042, 2096190, 2166063, 2888084, 3610105, 4192380, 4332126, 6498189, 7220210, 8664252, 10830315, 12996378, 14440420, 21660630, 25992756, 32490945, 43321260, 64981890, 129963780]

約数ペア:

[(1, 129963780), (2, 64981890), (3, 43321260), (4, 32490945), (5, 25992756), (6, 21660630), (9, 14440420), (10, 12996378), (12, 10830315), (15, 8664252), (18, 7220210), (20, 6498189), (30, 4332126), (31, 4192380), (36, 3610105), (45, 2888084), (60, 2166063), (62, 2096190), (90, 1444042), (93, 1397460), (124, 1048095), (155, 838476), (180, 722021), (186, 698730), (279, 465820), (310, 419238), (372, 349365), (465, 279492), (558, 232910), (620, 209619), (930, 139746), (1116, 116455), (1395, 93164), (1860, 69873), (2790, 46582), (5580, 23291)]