13661820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 42063840

約数和(自身を除く): 28402020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1069, 1278, 1420, 2130, 2138, 2556, 3195, 3207, 4260, 4276, 5345, 6390, 6414, 9621, 10690, 12780, 12828, 16035, 19242, 21380, 32070, 38484, 48105, 64140, 75899, 96210, 151798, 192420, 227697, 303596, 379495, 455394, 683091, 758990, 910788, 1138485, 1366182, 1517980, 2276970, 2732364, 3415455, 4553940, 6830910, 13661820]

約数ペア:

[(1, 13661820), (2, 6830910), (3, 4553940), (4, 3415455), (5, 2732364), (6, 2276970), (9, 1517980), (10, 1366182), (12, 1138485), (15, 910788), (18, 758990), (20, 683091), (30, 455394), (36, 379495), (45, 303596), (60, 227697), (71, 192420), (90, 151798), (142, 96210), (180, 75899), (213, 64140), (284, 48105), (355, 38484), (426, 32070), (639, 21380), (710, 19242), (852, 16035), (1065, 12828), (1069, 12780), (1278, 10690), (1420, 9621), (2130, 6414), (2138, 6390), (2556, 5345), (3195, 4276), (3207, 4260)]