281285940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11633}}^1$

素因数の和:11689

約数の個数: 96

約数和(自身を含む): 875621376

約数和(自身を除く): 594335436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 11633, 12090, 23266, 24180, 34899, 46532, 58165, 69798, 116330, 139596, 151229, 174495, 232660, 302458, 348990, 360623, 453687, 604916, 697980, 721246, 756145, 907374, 1081869, 1442492, 1512290, 1803115, 1814748, 2163738, 2268435, 3024580, 3606230, 4327476, 4536870, 4688099, 5409345, 7212460, 9073740, 9376198, 10818690, 14064297, 18752396, 21637380, 23440495, 28128594, 46880990, 56257188, 70321485, 93761980, 140642970, 281285940]

約数ペア:

[(1, 281285940), (2, 140642970), (3, 93761980), (4, 70321485), (5, 56257188), (6, 46880990), (10, 28128594), (12, 23440495), (13, 21637380), (15, 18752396), (20, 14064297), (26, 10818690), (30, 9376198), (31, 9073740), (39, 7212460), (52, 5409345), (60, 4688099), (62, 4536870), (65, 4327476), (78, 3606230), (93, 3024580), (124, 2268435), (130, 2163738), (155, 1814748), (156, 1803115), (186, 1512290), (195, 1442492), (260, 1081869), (310, 907374), (372, 756145), (390, 721246), (403, 697980), (465, 604916), (620, 453687), (780, 360623), (806, 348990), (930, 302458), (1209, 232660), (1612, 174495), (1860, 151229), (2015, 139596), (2418, 116330), (4030, 69798), (4836, 58165), (6045, 46532), (8060, 34899), (11633, 24180), (12090, 23266)]