138727920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1373}}^1$

素因数の和:1810

約数の個数: 80

約数和(自身を含む): 431392032

約数和(自身を除く): 292664112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 421, 842, 1263, 1373, 1684, 2105, 2526, 2746, 3368, 4119, 4210, 5052, 5492, 6315, 6736, 6865, 8238, 8420, 10104, 10984, 12630, 13730, 16476, 16840, 20208, 20595, 21968, 25260, 27460, 32952, 33680, 41190, 50520, 54920, 65904, 82380, 101040, 109840, 164760, 329520, 578033, 1156066, 1734099, 2312132, 2890165, 3468198, 4624264, 5780330, 6936396, 8670495, 9248528, 11560660, 13872792, 17340990, 23121320, 27745584, 34681980, 46242640, 69363960, 138727920]

約数ペア:

[(1, 138727920), (2, 69363960), (3, 46242640), (4, 34681980), (5, 27745584), (6, 23121320), (8, 17340990), (10, 13872792), (12, 11560660), (15, 9248528), (16, 8670495), (20, 6936396), (24, 5780330), (30, 4624264), (40, 3468198), (48, 2890165), (60, 2312132), (80, 1734099), (120, 1156066), (240, 578033), (421, 329520), (842, 164760), (1263, 109840), (1373, 101040), (1684, 82380), (2105, 65904), (2526, 54920), (2746, 50520), (3368, 41190), (4119, 33680), (4210, 32952), (5052, 27460), (5492, 25260), (6315, 21968), (6736, 20595), (6865, 20208), (8238, 16840), (8420, 16476), (10104, 13730), (10984, 12630)]