251080920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{697447}}^1$

素因数の和:697464

約数の個数: 48

約数和(自身を含む): 816014160

約数和(自身を除く): 564933240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 697447, 1394894, 2092341, 2789788, 3487235, 4184682, 5579576, 6277023, 6974470, 8369364, 10461705, 12554046, 13948940, 16738728, 20923410, 25108092, 27897880, 31385115, 41846820, 50216184, 62770230, 83693640, 125540460, 251080920]

約数ペア:

[(1, 251080920), (2, 125540460), (3, 83693640), (4, 62770230), (5, 50216184), (6, 41846820), (8, 31385115), (9, 27897880), (10, 25108092), (12, 20923410), (15, 16738728), (18, 13948940), (20, 12554046), (24, 10461705), (30, 8369364), (36, 6974470), (40, 6277023), (45, 5579576), (60, 4184682), (72, 3487235), (90, 2789788), (120, 2092341), (180, 1394894), (360, 697447)]