205809720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16981}}^1$

素因数の和:17096

約数の個数: 64

約数和(自身を含む): 623579040

約数和(自身を除く): 417769320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 2020, 2424, 3030, 4040, 6060, 12120, 16981, 33962, 50943, 67924, 84905, 101886, 135848, 169810, 203772, 254715, 339620, 407544, 509430, 679240, 1018860, 1715081, 2037720, 3430162, 5145243, 6860324, 8575405, 10290486, 13720648, 17150810, 20580972, 25726215, 34301620, 41161944, 51452430, 68603240, 102904860, 205809720]

約数ペア:

[(1, 205809720), (2, 102904860), (3, 68603240), (4, 51452430), (5, 41161944), (6, 34301620), (8, 25726215), (10, 20580972), (12, 17150810), (15, 13720648), (20, 10290486), (24, 8575405), (30, 6860324), (40, 5145243), (60, 3430162), (101, 2037720), (120, 1715081), (202, 1018860), (303, 679240), (404, 509430), (505, 407544), (606, 339620), (808, 254715), (1010, 203772), (1212, 169810), (1515, 135848), (2020, 101886), (2424, 84905), (3030, 67924), (4040, 50943), (6060, 33962), (12120, 16981)]