261569007080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{1056247}}^1$

素因数の和:1056450

約数の個数: 64

約数和(自身を含む): 606877850880

約数和(自身を除く): 345308843800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 151, 164, 205, 302, 328, 410, 604, 755, 820, 1208, 1510, 1640, 3020, 6040, 6191, 12382, 24764, 30955, 49528, 61910, 123820, 247640, 1056247, 2112494, 4224988, 5281235, 8449976, 10562470, 21124940, 42249880, 43306127, 86612254, 159493297, 173224508, 216530635, 318986594, 346449016, 433061270, 637973188, 797466485, 866122540, 1275946376, 1594932970, 1732245080, 3189865940, 6379731880, 6539225177, 13078450354, 26156900708, 32696125885, 52313801416, 65392251770, 130784503540, 261569007080]

約数ペア:

[(1, 261569007080), (2, 130784503540), (4, 65392251770), (5, 52313801416), (8, 32696125885), (10, 26156900708), (20, 13078450354), (40, 6539225177), (41, 6379731880), (82, 3189865940), (151, 1732245080), (164, 1594932970), (205, 1275946376), (302, 866122540), (328, 797466485), (410, 637973188), (604, 433061270), (755, 346449016), (820, 318986594), (1208, 216530635), (1510, 173224508), (1640, 159493297), (3020, 86612254), (6040, 43306127), (6191, 42249880), (12382, 21124940), (24764, 10562470), (30955, 8449976), (49528, 5281235), (61910, 4224988), (123820, 2112494), (247640, 1056247)]