321778140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172999}}^1$

素因数の和:173042

約数の個数: 48

約数和(自身を含む): 930048000

約数和(自身を除く): 608269860

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, 930, 1860, 172999, 345998, 518997, 691996, 864995, 1037994, 1729990, 2075988, 2594985, 3459980, 5189970, 5362969, 10379940, 10725938, 16088907, 21451876, 26814845, 32177814, 53629690, 64355628, 80444535, 107259380, 160889070, 321778140]

約数ペア:

[(1, 321778140), (2, 160889070), (3, 107259380), (4, 80444535), (5, 64355628), (6, 53629690), (10, 32177814), (12, 26814845), (15, 21451876), (20, 16088907), (30, 10725938), (31, 10379940), (60, 5362969), (62, 5189970), (93, 3459980), (124, 2594985), (155, 2075988), (186, 1729990), (310, 1037994), (372, 864995), (465, 691996), (620, 518997), (930, 345998), (1860, 172999)]