1687020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 4881408

約数和(自身を除く): 3194388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 907, 930, 1814, 1860, 2721, 3628, 4535, 5442, 9070, 10884, 13605, 18140, 27210, 28117, 54420, 56234, 84351, 112468, 140585, 168702, 281170, 337404, 421755, 562340, 843510, 1687020]

約数ペア:

[(1, 1687020), (2, 843510), (3, 562340), (4, 421755), (5, 337404), (6, 281170), (10, 168702), (12, 140585), (15, 112468), (20, 84351), (30, 56234), (31, 54420), (60, 28117), (62, 27210), (93, 18140), (124, 13605), (155, 10884), (186, 9070), (310, 5442), (372, 4535), (465, 3628), (620, 2721), (907, 1860), (930, 1814)]