2457080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 6026400

約数和(自身を除く): 3569320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 61, 76, 95, 106, 122, 152, 190, 212, 244, 265, 305, 380, 424, 488, 530, 610, 760, 1007, 1060, 1159, 1220, 2014, 2120, 2318, 2440, 3233, 4028, 4636, 5035, 5795, 6466, 8056, 9272, 10070, 11590, 12932, 16165, 20140, 23180, 25864, 32330, 40280, 46360, 61427, 64660, 122854, 129320, 245708, 307135, 491416, 614270, 1228540, 2457080]

約数ペア:

[(1, 2457080), (2, 1228540), (4, 614270), (5, 491416), (8, 307135), (10, 245708), (19, 129320), (20, 122854), (38, 64660), (40, 61427), (53, 46360), (61, 40280), (76, 32330), (95, 25864), (106, 23180), (122, 20140), (152, 16165), (190, 12932), (212, 11590), (244, 10070), (265, 9272), (305, 8056), (380, 6466), (424, 5795), (488, 5035), (530, 4636), (610, 4028), (760, 3233), (1007, 2440), (1060, 2318), (1159, 2120), (1220, 2014)]