646350420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{66089}}^1$

素因数の和:66264

約数の個数: 48

約数和(自身を含む): 1820911680

約数和(自身を除く): 1174561260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 66089, 132178, 198267, 264356, 330445, 396534, 660890, 793068, 991335, 1321780, 1982670, 3965340, 10772507, 21545014, 32317521, 43090028, 53862535, 64635042, 107725070, 129270084, 161587605, 215450140, 323175210, 646350420]

約数ペア:

[(1, 646350420), (2, 323175210), (3, 215450140), (4, 161587605), (5, 129270084), (6, 107725070), (10, 64635042), (12, 53862535), (15, 43090028), (20, 32317521), (30, 21545014), (60, 10772507), (163, 3965340), (326, 1982670), (489, 1321780), (652, 991335), (815, 793068), (978, 660890), (1630, 396534), (1956, 330445), (2445, 264356), (3260, 198267), (4890, 132178), (9780, 66089)]