68143920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21841}}^1$

素因数の和:21870

約数の個数: 80

約数和(自身を含む): 227506272

約数和(自身を除く): 159362352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21841, 43682, 65523, 87364, 109205, 131046, 174728, 218410, 262092, 283933, 327615, 349456, 436820, 524184, 567866, 655230, 851799, 873640, 1048368, 1135732, 1310460, 1419665, 1703598, 1747280, 2271464, 2620920, 2839330, 3407196, 4258995, 4542928, 5241840, 5678660, 6814392, 8517990, 11357320, 13628784, 17035980, 22714640, 34071960, 68143920]

約数ペア:

[(1, 68143920), (2, 34071960), (3, 22714640), (4, 17035980), (5, 13628784), (6, 11357320), (8, 8517990), (10, 6814392), (12, 5678660), (13, 5241840), (15, 4542928), (16, 4258995), (20, 3407196), (24, 2839330), (26, 2620920), (30, 2271464), (39, 1747280), (40, 1703598), (48, 1419665), (52, 1310460), (60, 1135732), (65, 1048368), (78, 873640), (80, 851799), (104, 655230), (120, 567866), (130, 524184), (156, 436820), (195, 349456), (208, 327615), (240, 283933), (260, 262092), (312, 218410), (390, 174728), (520, 131046), (624, 109205), (780, 87364), (1040, 65523), (1560, 43682), (3120, 21841)]