15964380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2861}}^1$

素因数の和:2907

約数の個数: 72

約数和(自身を含む): 50004864

約数和(自身を除く): 34040484

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, 2861, 5580, 5722, 8583, 11444, 14305, 17166, 25749, 28610, 34332, 42915, 51498, 57220, 85830, 88691, 102996, 128745, 171660, 177382, 257490, 266073, 354764, 443455, 514980, 532146, 798219, 886910, 1064292, 1330365, 1596438, 1773820, 2660730, 3192876, 3991095, 5321460, 7982190, 15964380]

約数ペア:

[(1, 15964380), (2, 7982190), (3, 5321460), (4, 3991095), (5, 3192876), (6, 2660730), (9, 1773820), (10, 1596438), (12, 1330365), (15, 1064292), (18, 886910), (20, 798219), (30, 532146), (31, 514980), (36, 443455), (45, 354764), (60, 266073), (62, 257490), (90, 177382), (93, 171660), (124, 128745), (155, 102996), (180, 88691), (186, 85830), (279, 57220), (310, 51498), (372, 42915), (465, 34332), (558, 28610), (620, 25749), (930, 17166), (1116, 14305), (1395, 11444), (1860, 8583), (2790, 5722), (2861, 5580)]