156980660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5659}}^1$

素因数の和:5760

約数の個数: 48

約数和(自身を含む): 351825600

約数和(自身を除く): 194844940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 5659, 6935, 11318, 13870, 22636, 27740, 28295, 56590, 107521, 113180, 215042, 413107, 430084, 537605, 826214, 1075210, 1652428, 2065535, 2150420, 4131070, 7849033, 8262140, 15698066, 31396132, 39245165, 78490330, 156980660]

約数ペア:

[(1, 156980660), (2, 78490330), (4, 39245165), (5, 31396132), (10, 15698066), (19, 8262140), (20, 7849033), (38, 4131070), (73, 2150420), (76, 2065535), (95, 1652428), (146, 1075210), (190, 826214), (292, 537605), (365, 430084), (380, 413107), (730, 215042), (1387, 113180), (1460, 107521), (2774, 56590), (5548, 28295), (5659, 27740), (6935, 22636), (11318, 13870)]