15197920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 37538424

約数和(自身を除く): 22340504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 80, 86, 94, 160, 172, 188, 215, 235, 344, 376, 430, 470, 688, 752, 860, 940, 1376, 1504, 1720, 1880, 2021, 2209, 3440, 3760, 4042, 4418, 6880, 7520, 8084, 8836, 10105, 11045, 16168, 17672, 20210, 22090, 32336, 35344, 40420, 44180, 64672, 70688, 80840, 88360, 94987, 161680, 176720, 189974, 323360, 353440, 379948, 474935, 759896, 949870, 1519792, 1899740, 3039584, 3799480, 7598960, 15197920]

約数ペア:

[(1, 15197920), (2, 7598960), (4, 3799480), (5, 3039584), (8, 1899740), (10, 1519792), (16, 949870), (20, 759896), (32, 474935), (40, 379948), (43, 353440), (47, 323360), (80, 189974), (86, 176720), (94, 161680), (160, 94987), (172, 88360), (188, 80840), (215, 70688), (235, 64672), (344, 44180), (376, 40420), (430, 35344), (470, 32336), (688, 22090), (752, 20210), (860, 17672), (940, 16168), (1376, 11045), (1504, 10105), (1720, 8836), (1880, 8084), (2021, 7520), (2209, 6880), (3440, 4418), (3760, 4042)]