72621080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 187488000

約数和(自身を除く): 114866920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 619, 838, 1238, 1676, 2095, 2476, 2933, 3095, 3352, 4190, 4333, 4952, 5866, 6190, 8380, 8666, 11732, 12380, 14665, 16760, 17332, 21665, 23464, 24760, 29330, 34664, 43330, 58660, 86660, 117320, 173320, 259361, 518722, 1037444, 1296805, 1815527, 2074888, 2593610, 3631054, 5187220, 7262108, 9077635, 10374440, 14524216, 18155270, 36310540, 72621080]

約数ペア:

[(1, 72621080), (2, 36310540), (4, 18155270), (5, 14524216), (7, 10374440), (8, 9077635), (10, 7262108), (14, 5187220), (20, 3631054), (28, 2593610), (35, 2074888), (40, 1815527), (56, 1296805), (70, 1037444), (140, 518722), (280, 259361), (419, 173320), (619, 117320), (838, 86660), (1238, 58660), (1676, 43330), (2095, 34664), (2476, 29330), (2933, 24760), (3095, 23464), (3352, 21665), (4190, 17332), (4333, 16760), (4952, 14665), (5866, 12380), (6190, 11732), (8380, 8666)]