211528020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7817}}^1$

素因数の和:7881

約数の個数: 96

約数和(自身を含む): 661965696

約数和(自身を除く): 450437676

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 820, 902, 1230, 1353, 1804, 2255, 2460, 2706, 4510, 5412, 6765, 7817, 9020, 13530, 15634, 23451, 27060, 31268, 39085, 46902, 78170, 85987, 93804, 117255, 156340, 171974, 234510, 257961, 320497, 343948, 429935, 469020, 515922, 640994, 859870, 961491, 1031844, 1281988, 1289805, 1602485, 1719740, 1922982, 2579610, 3204970, 3525467, 3845964, 4807455, 5159220, 6409940, 7050934, 9614910, 10576401, 14101868, 17627335, 19229820, 21152802, 35254670, 42305604, 52882005, 70509340, 105764010, 211528020]

約数ペア:

[(1, 211528020), (2, 105764010), (3, 70509340), (4, 52882005), (5, 42305604), (6, 35254670), (10, 21152802), (11, 19229820), (12, 17627335), (15, 14101868), (20, 10576401), (22, 9614910), (30, 7050934), (33, 6409940), (41, 5159220), (44, 4807455), (55, 3845964), (60, 3525467), (66, 3204970), (82, 2579610), (110, 1922982), (123, 1719740), (132, 1602485), (164, 1289805), (165, 1281988), (205, 1031844), (220, 961491), (246, 859870), (330, 640994), (410, 515922), (451, 469020), (492, 429935), (615, 343948), (660, 320497), (820, 257961), (902, 234510), (1230, 171974), (1353, 156340), (1804, 117255), (2255, 93804), (2460, 85987), (2706, 78170), (4510, 46902), (5412, 39085), (6765, 31268), (7817, 27060), (9020, 23451), (13530, 15634)]