61538540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 154441728

約数和(自身を除く): 92903188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 71, 82, 140, 142, 151, 164, 205, 284, 287, 302, 355, 410, 497, 574, 604, 710, 755, 820, 994, 1057, 1148, 1420, 1435, 1510, 1988, 2114, 2485, 2870, 2911, 3020, 4228, 4970, 5285, 5740, 5822, 6191, 9940, 10570, 10721, 11644, 12382, 14555, 20377, 21140, 21442, 24764, 29110, 30955, 40754, 42884, 43337, 53605, 58220, 61910, 75047, 81508, 86674, 101885, 107210, 123820, 150094, 173348, 203770, 214420, 216685, 300188, 375235, 407540, 433370, 439561, 750470, 866740, 879122, 1500940, 1758244, 2197805, 3076927, 4395610, 6153854, 8791220, 12307708, 15384635, 30769270, 61538540]

約数ペア:

[(1, 61538540), (2, 30769270), (4, 15384635), (5, 12307708), (7, 8791220), (10, 6153854), (14, 4395610), (20, 3076927), (28, 2197805), (35, 1758244), (41, 1500940), (70, 879122), (71, 866740), (82, 750470), (140, 439561), (142, 433370), (151, 407540), (164, 375235), (205, 300188), (284, 216685), (287, 214420), (302, 203770), (355, 173348), (410, 150094), (497, 123820), (574, 107210), (604, 101885), (710, 86674), (755, 81508), (820, 75047), (994, 61910), (1057, 58220), (1148, 53605), (1420, 43337), (1435, 42884), (1510, 40754), (1988, 30955), (2114, 29110), (2485, 24764), (2870, 21442), (2911, 21140), (3020, 20377), (4228, 14555), (4970, 12382), (5285, 11644), (5740, 10721), (5822, 10570), (6191, 9940)]