717990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 2128896

約数和(自身を除く): 1410906

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 263, 273, 390, 455, 526, 546, 789, 910, 1315, 1365, 1578, 1841, 2630, 2730, 3419, 3682, 3945, 5523, 6838, 7890, 9205, 10257, 11046, 17095, 18410, 20514, 23933, 27615, 34190, 47866, 51285, 55230, 71799, 102570, 119665, 143598, 239330, 358995, 717990]

約数ペア:

[(1, 717990), (2, 358995), (3, 239330), (5, 143598), (6, 119665), (7, 102570), (10, 71799), (13, 55230), (14, 51285), (15, 47866), (21, 34190), (26, 27615), (30, 23933), (35, 20514), (39, 18410), (42, 17095), (65, 11046), (70, 10257), (78, 9205), (91, 7890), (105, 6838), (130, 5523), (182, 3945), (195, 3682), (210, 3419), (263, 2730), (273, 2630), (390, 1841), (455, 1578), (526, 1365), (546, 1315), (789, 910)]