2639480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 6566400

約数和(自身を除く): 3926920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 151, 152, 184, 190, 230, 302, 380, 437, 460, 604, 755, 760, 874, 920, 1208, 1510, 1748, 2185, 2869, 3020, 3473, 3496, 4370, 5738, 6040, 6946, 8740, 11476, 13892, 14345, 17365, 17480, 22952, 27784, 28690, 34730, 57380, 65987, 69460, 114760, 131974, 138920, 263948, 329935, 527896, 659870, 1319740, 2639480]

約数ペア:

[(1, 2639480), (2, 1319740), (4, 659870), (5, 527896), (8, 329935), (10, 263948), (19, 138920), (20, 131974), (23, 114760), (38, 69460), (40, 65987), (46, 57380), (76, 34730), (92, 28690), (95, 27784), (115, 22952), (151, 17480), (152, 17365), (184, 14345), (190, 13892), (230, 11476), (302, 8740), (380, 6946), (437, 6040), (460, 5738), (604, 4370), (755, 3496), (760, 3473), (874, 3020), (920, 2869), (1208, 2185), (1510, 1748)]