156714040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7883}}^1$

素因数の和:7972

約数の個数: 64

約数和(自身を含む): 408706560

約数和(自身を除く): 251992520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 7883, 9940, 15766, 19880, 31532, 39415, 55181, 63064, 78830, 110362, 157660, 220724, 275905, 315320, 441448, 551810, 559693, 1103620, 1119386, 2207240, 2238772, 2798465, 3917851, 4477544, 5596930, 7835702, 11193860, 15671404, 19589255, 22387720, 31342808, 39178510, 78357020, 156714040]

約数ペア:

[(1, 156714040), (2, 78357020), (4, 39178510), (5, 31342808), (7, 22387720), (8, 19589255), (10, 15671404), (14, 11193860), (20, 7835702), (28, 5596930), (35, 4477544), (40, 3917851), (56, 2798465), (70, 2238772), (71, 2207240), (140, 1119386), (142, 1103620), (280, 559693), (284, 551810), (355, 441448), (497, 315320), (568, 275905), (710, 220724), (994, 157660), (1420, 110362), (1988, 78830), (2485, 63064), (2840, 55181), (3976, 39415), (4970, 31532), (7883, 19880), (9940, 15766)]