15915340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 22791860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1439, 1580, 2212, 2765, 2878, 5530, 5756, 7195, 10073, 11060, 14390, 20146, 28780, 40292, 50365, 100730, 113681, 201460, 227362, 454724, 568405, 795767, 1136810, 1591534, 2273620, 3183068, 3978835, 7957670, 15915340]

約数ペア:

[(1, 15915340), (2, 7957670), (4, 3978835), (5, 3183068), (7, 2273620), (10, 1591534), (14, 1136810), (20, 795767), (28, 568405), (35, 454724), (70, 227362), (79, 201460), (140, 113681), (158, 100730), (316, 50365), (395, 40292), (553, 28780), (790, 20146), (1106, 14390), (1439, 11060), (1580, 10073), (2212, 7195), (2765, 5756), (2878, 5530)]