156634520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7879}}^1$

素因数の和:7968

約数の個数: 64

約数和(自身を含む): 408499200

約数和(自身を除く): 251864680

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, 7879, 9940, 15758, 19880, 31516, 39395, 55153, 63032, 78790, 110306, 157580, 220612, 275765, 315160, 441224, 551530, 559409, 1103060, 1118818, 2206120, 2237636, 2797045, 3915863, 4475272, 5594090, 7831726, 11188180, 15663452, 19579315, 22376360, 31326904, 39158630, 78317260, 156634520]

約数ペア:

[(1, 156634520), (2, 78317260), (4, 39158630), (5, 31326904), (7, 22376360), (8, 19579315), (10, 15663452), (14, 11188180), (20, 7831726), (28, 5594090), (35, 4475272), (40, 3915863), (56, 2797045), (70, 2237636), (71, 2206120), (140, 1118818), (142, 1103060), (280, 559409), (284, 551530), (355, 441224), (497, 315160), (568, 275765), (710, 220612), (994, 157580), (1420, 110306), (1988, 78790), (2485, 63032), (2840, 55153), (3976, 39395), (4970, 31516), (7879, 19880), (9940, 15758)]