20145496440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2752117}}^1$

素因数の和:2752192

約数の個数: 64

約数和(自身を含む): 61427273760

約数和(自身を除く): 41281777320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 2752117, 5504234, 8256351, 11008468, 13760585, 16512702, 22016936, 27521170, 33025404, 41281755, 55042340, 66050808, 82563510, 110084680, 165127020, 167879137, 330254040, 335758274, 503637411, 671516548, 839395685, 1007274822, 1343033096, 1678791370, 2014549644, 2518187055, 3357582740, 4029099288, 5036374110, 6715165480, 10072748220, 20145496440]

約数ペア:

[(1, 20145496440), (2, 10072748220), (3, 6715165480), (4, 5036374110), (5, 4029099288), (6, 3357582740), (8, 2518187055), (10, 2014549644), (12, 1678791370), (15, 1343033096), (20, 1007274822), (24, 839395685), (30, 671516548), (40, 503637411), (60, 335758274), (61, 330254040), (120, 167879137), (122, 165127020), (183, 110084680), (244, 82563510), (305, 66050808), (366, 55042340), (488, 41281755), (610, 33025404), (732, 27521170), (915, 22016936), (1220, 16512702), (1464, 13760585), (1830, 11008468), (2440, 8256351), (3660, 5504234), (7320, 2752117)]