870420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 2479680

約数和(自身を除く): 1609260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 163, 178, 267, 326, 356, 445, 489, 534, 652, 815, 890, 978, 1068, 1335, 1630, 1780, 1956, 2445, 2670, 3260, 4890, 5340, 9780, 14507, 29014, 43521, 58028, 72535, 87042, 145070, 174084, 217605, 290140, 435210, 870420]

約数ペア:

[(1, 870420), (2, 435210), (3, 290140), (4, 217605), (5, 174084), (6, 145070), (10, 87042), (12, 72535), (15, 58028), (20, 43521), (30, 29014), (60, 14507), (89, 9780), (163, 5340), (178, 4890), (267, 3260), (326, 2670), (356, 2445), (445, 1956), (489, 1780), (534, 1630), (652, 1335), (815, 1068), (890, 978)]