51107940

素因数分解:

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

素因数の和:21869

約数の個数: 72

約数和(自身を含む): 166960248

約数和(自身を除く): 115852308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21841, 43682, 65523, 87364, 109205, 131046, 196569, 218410, 262092, 283933, 327615, 393138, 436820, 567866, 655230, 786276, 851799, 982845, 1135732, 1310460, 1419665, 1703598, 1965690, 2555397, 2839330, 3407196, 3931380, 4258995, 5110794, 5678660, 8517990, 10221588, 12776985, 17035980, 25553970, 51107940]

約数ペア:

[(1, 51107940), (2, 25553970), (3, 17035980), (4, 12776985), (5, 10221588), (6, 8517990), (9, 5678660), (10, 5110794), (12, 4258995), (13, 3931380), (15, 3407196), (18, 2839330), (20, 2555397), (26, 1965690), (30, 1703598), (36, 1419665), (39, 1310460), (45, 1135732), (52, 982845), (60, 851799), (65, 786276), (78, 655230), (90, 567866), (117, 436820), (130, 393138), (156, 327615), (180, 283933), (195, 262092), (234, 218410), (260, 196569), (390, 131046), (468, 109205), (585, 87364), (780, 65523), (1170, 43682), (2340, 21841)]