331380

素因数分解:

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

素因数の和:285

約数の個数: 72

約数和(自身を含む): 1153152

約数和(自身を除く): 821772

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 263, 315, 420, 526, 630, 789, 1052, 1260, 1315, 1578, 1841, 2367, 2630, 3156, 3682, 3945, 4734, 5260, 5523, 7364, 7890, 9205, 9468, 11046, 11835, 15780, 16569, 18410, 22092, 23670, 27615, 33138, 36820, 47340, 55230, 66276, 82845, 110460, 165690, 331380]

約数ペア:

[(1, 331380), (2, 165690), (3, 110460), (4, 82845), (5, 66276), (6, 55230), (7, 47340), (9, 36820), (10, 33138), (12, 27615), (14, 23670), (15, 22092), (18, 18410), (20, 16569), (21, 15780), (28, 11835), (30, 11046), (35, 9468), (36, 9205), (42, 7890), (45, 7364), (60, 5523), (63, 5260), (70, 4734), (84, 3945), (90, 3682), (105, 3156), (126, 2630), (140, 2367), (180, 1841), (210, 1578), (252, 1315), (263, 1260), (315, 1052), (420, 789), (526, 630)]