161431260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 469862400

約数和(自身を除く): 308431140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 229, 310, 372, 379, 458, 465, 620, 687, 758, 916, 930, 1137, 1145, 1374, 1516, 1860, 1895, 2274, 2290, 2748, 3435, 3790, 4548, 4580, 5685, 6870, 7099, 7580, 11370, 11749, 13740, 14198, 21297, 22740, 23498, 28396, 35247, 35495, 42594, 46996, 58745, 70494, 70990, 85188, 86791, 106485, 117490, 140988, 141980, 173582, 176235, 212970, 234980, 260373, 347164, 352470, 425940, 433955, 520746, 704940, 867910, 1041492, 1301865, 1735820, 2603730, 2690521, 5207460, 5381042, 8071563, 10762084, 13452605, 16143126, 26905210, 32286252, 40357815, 53810420, 80715630, 161431260]

約数ペア:

[(1, 161431260), (2, 80715630), (3, 53810420), (4, 40357815), (5, 32286252), (6, 26905210), (10, 16143126), (12, 13452605), (15, 10762084), (20, 8071563), (30, 5381042), (31, 5207460), (60, 2690521), (62, 2603730), (93, 1735820), (124, 1301865), (155, 1041492), (186, 867910), (229, 704940), (310, 520746), (372, 433955), (379, 425940), (458, 352470), (465, 347164), (620, 260373), (687, 234980), (758, 212970), (916, 176235), (930, 173582), (1137, 141980), (1145, 140988), (1374, 117490), (1516, 106485), (1860, 86791), (1895, 85188), (2274, 70990), (2290, 70494), (2748, 58745), (3435, 46996), (3790, 42594), (4548, 35495), (4580, 35247), (5685, 28396), (6870, 23498), (7099, 22740), (7580, 21297), (11370, 14198), (11749, 13740)]