1220792360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{2239}}^1$

素因数の和:2610

約数の個数: 64

約数和(自身を含む): 2820787200

約数和(自身を除く): 1599994840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 317, 344, 430, 634, 860, 1268, 1585, 1720, 2239, 2536, 3170, 4478, 6340, 8956, 11195, 12680, 13631, 17912, 22390, 27262, 44780, 54524, 68155, 89560, 96277, 109048, 136310, 192554, 272620, 385108, 481385, 545240, 709763, 770216, 962770, 1419526, 1925540, 2839052, 3548815, 3851080, 5678104, 7097630, 14195260, 28390520, 30519809, 61039618, 122079236, 152599045, 244158472, 305198090, 610396180, 1220792360]

約数ペア:

[(1, 1220792360), (2, 610396180), (4, 305198090), (5, 244158472), (8, 152599045), (10, 122079236), (20, 61039618), (40, 30519809), (43, 28390520), (86, 14195260), (172, 7097630), (215, 5678104), (317, 3851080), (344, 3548815), (430, 2839052), (634, 1925540), (860, 1419526), (1268, 962770), (1585, 770216), (1720, 709763), (2239, 545240), (2536, 481385), (3170, 385108), (4478, 272620), (6340, 192554), (8956, 136310), (11195, 109048), (12680, 96277), (13631, 89560), (17912, 68155), (22390, 54524), (27262, 44780)]