12721260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11159}}^1$

素因数の和:11190

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 24776340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 11159, 22318, 33477, 44636, 55795, 66954, 111590, 133908, 167385, 212021, 223180, 334770, 424042, 636063, 669540, 848084, 1060105, 1272126, 2120210, 2544252, 3180315, 4240420, 6360630, 12721260]

約数ペア:

[(1, 12721260), (2, 6360630), (3, 4240420), (4, 3180315), (5, 2544252), (6, 2120210), (10, 1272126), (12, 1060105), (15, 848084), (19, 669540), (20, 636063), (30, 424042), (38, 334770), (57, 223180), (60, 212021), (76, 167385), (95, 133908), (114, 111590), (190, 66954), (228, 55795), (285, 44636), (380, 33477), (570, 22318), (1140, 11159)]