208689660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1873}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 634386480

約数和(自身を除く): 425696820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1857, 1873, 2476, 3095, 3714, 3746, 5571, 5619, 6190, 7428, 7492, 9285, 9365, 11142, 11238, 12380, 16857, 18570, 18730, 22284, 22476, 27855, 28095, 33714, 37140, 37460, 55710, 56190, 67428, 84285, 111420, 112380, 168570, 337140, 1159387, 2318774, 3478161, 4637548, 5796935, 6956322, 10434483, 11593870, 13912644, 17390805, 20868966, 23187740, 34781610, 41737932, 52172415, 69563220, 104344830, 208689660]

約数ペア:

[(1, 208689660), (2, 104344830), (3, 69563220), (4, 52172415), (5, 41737932), (6, 34781610), (9, 23187740), (10, 20868966), (12, 17390805), (15, 13912644), (18, 11593870), (20, 10434483), (30, 6956322), (36, 5796935), (45, 4637548), (60, 3478161), (90, 2318774), (180, 1159387), (619, 337140), (1238, 168570), (1857, 112380), (1873, 111420), (2476, 84285), (3095, 67428), (3714, 56190), (3746, 55710), (5571, 37460), (5619, 37140), (6190, 33714), (7428, 28095), (7492, 27855), (9285, 22476), (9365, 22284), (11142, 18730), (11238, 18570), (12380, 16857)]