2977520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 8541120

約数和(自身を除く): 5563600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 409, 455, 520, 560, 728, 818, 910, 1040, 1456, 1636, 1820, 2045, 2863, 3272, 3640, 4090, 5317, 5726, 6544, 7280, 8180, 10634, 11452, 14315, 16360, 21268, 22904, 26585, 28630, 32720, 37219, 42536, 45808, 53170, 57260, 74438, 85072, 106340, 114520, 148876, 186095, 212680, 229040, 297752, 372190, 425360, 595504, 744380, 1488760, 2977520]

約数ペア:

[(1, 2977520), (2, 1488760), (4, 744380), (5, 595504), (7, 425360), (8, 372190), (10, 297752), (13, 229040), (14, 212680), (16, 186095), (20, 148876), (26, 114520), (28, 106340), (35, 85072), (40, 74438), (52, 57260), (56, 53170), (65, 45808), (70, 42536), (80, 37219), (91, 32720), (104, 28630), (112, 26585), (130, 22904), (140, 21268), (182, 16360), (208, 14315), (260, 11452), (280, 10634), (364, 8180), (409, 7280), (455, 6544), (520, 5726), (560, 5317), (728, 4090), (818, 3640), (910, 3272), (1040, 2863), (1456, 2045), (1636, 1820)]