205696980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1069}}^2$

素因数の和:2153

約数の個数: 54

約数和(自身を含む): 624531726

約数和(自身を除く): 418834746

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1069, 2138, 3207, 4276, 5345, 6414, 9621, 10690, 12828, 16035, 19242, 21380, 32070, 38484, 48105, 64140, 96210, 192420, 1142761, 2285522, 3428283, 4571044, 5713805, 6856566, 10284849, 11427610, 13713132, 17141415, 20569698, 22855220, 34282830, 41139396, 51424245, 68565660, 102848490, 205696980]

約数ペア:

[(1, 205696980), (2, 102848490), (3, 68565660), (4, 51424245), (5, 41139396), (6, 34282830), (9, 22855220), (10, 20569698), (12, 17141415), (15, 13713132), (18, 11427610), (20, 10284849), (30, 6856566), (36, 5713805), (45, 4571044), (60, 3428283), (90, 2285522), (180, 1142761), (1069, 192420), (2138, 96210), (3207, 64140), (4276, 48105), (5345, 38484), (6414, 32070), (9621, 21380), (10690, 19242), (12828, 16035)]