18907440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78781}}^1$

素因数の和:78797

約数の個数: 40

約数和(自身を含む): 58613808

約数和(自身を除く): 39706368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78781, 157562, 236343, 315124, 393905, 472686, 630248, 787810, 945372, 1181715, 1260496, 1575620, 1890744, 2363430, 3151240, 3781488, 4726860, 6302480, 9453720, 18907440]

約数ペア:

[(1, 18907440), (2, 9453720), (3, 6302480), (4, 4726860), (5, 3781488), (6, 3151240), (8, 2363430), (10, 1890744), (12, 1575620), (15, 1260496), (16, 1181715), (20, 945372), (24, 787810), (30, 630248), (40, 472686), (48, 393905), (60, 315124), (80, 236343), (120, 157562), (240, 78781)]