820196460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{26339}}^1$

素因数の和:26527

約数の個数: 72

約数和(自身を含む): 2502405360

約数和(自身を除く): 1682208900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 10380, 15570, 26339, 31140, 52678, 79017, 105356, 131695, 158034, 237051, 263390, 316068, 395085, 474102, 526780, 790170, 948204, 1185255, 1580340, 2370510, 4556647, 4741020, 9113294, 13669941, 18226588, 22783235, 27339882, 41009823, 45566470, 54679764, 68349705, 82019646, 91132940, 136699410, 164039292, 205049115, 273398820, 410098230, 820196460]

約数ペア:

[(1, 820196460), (2, 410098230), (3, 273398820), (4, 205049115), (5, 164039292), (6, 136699410), (9, 91132940), (10, 82019646), (12, 68349705), (15, 54679764), (18, 45566470), (20, 41009823), (30, 27339882), (36, 22783235), (45, 18226588), (60, 13669941), (90, 9113294), (173, 4741020), (180, 4556647), (346, 2370510), (519, 1580340), (692, 1185255), (865, 948204), (1038, 790170), (1557, 526780), (1730, 474102), (2076, 395085), (2595, 316068), (3114, 263390), (3460, 237051), (5190, 158034), (6228, 131695), (7785, 105356), (10380, 79017), (15570, 52678), (26339, 31140)]