78920660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 206449152

約数和(自身を除く): 127528492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 103, 130, 140, 182, 206, 260, 364, 412, 421, 455, 515, 721, 842, 910, 1030, 1339, 1442, 1684, 1820, 2060, 2105, 2678, 2884, 2947, 3605, 4210, 5356, 5473, 5894, 6695, 7210, 8420, 9373, 10946, 11788, 13390, 14420, 14735, 18746, 21892, 26780, 27365, 29470, 37492, 38311, 43363, 46865, 54730, 58940, 76622, 86726, 93730, 109460, 153244, 173452, 187460, 191555, 216815, 303541, 383110, 433630, 563719, 607082, 766220, 867260, 1127438, 1214164, 1517705, 2254876, 2818595, 3035410, 3946033, 5637190, 6070820, 7892066, 11274380, 15784132, 19730165, 39460330, 78920660]

約数ペア:

[(1, 78920660), (2, 39460330), (4, 19730165), (5, 15784132), (7, 11274380), (10, 7892066), (13, 6070820), (14, 5637190), (20, 3946033), (26, 3035410), (28, 2818595), (35, 2254876), (52, 1517705), (65, 1214164), (70, 1127438), (91, 867260), (103, 766220), (130, 607082), (140, 563719), (182, 433630), (206, 383110), (260, 303541), (364, 216815), (412, 191555), (421, 187460), (455, 173452), (515, 153244), (721, 109460), (842, 93730), (910, 86726), (1030, 76622), (1339, 58940), (1442, 54730), (1684, 46865), (1820, 43363), (2060, 38311), (2105, 37492), (2678, 29470), (2884, 27365), (2947, 26780), (3605, 21892), (4210, 18746), (5356, 14735), (5473, 14420), (5894, 13390), (6695, 11788), (7210, 10946), (8420, 9373)]