381516660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{302791}}^1$

素因数の和:302813

約数の個数: 72

約数和(自身を含む): 1322595456

約数和(自身を除く): 941078796

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 302791, 605582, 908373, 1211164, 1513955, 1816746, 2119537, 2725119, 3027910, 3633492, 4239074, 4541865, 5450238, 6055820, 6358611, 8478148, 9083730, 10597685, 10900476, 12717222, 13625595, 18167460, 19075833, 21195370, 25434444, 27251190, 31793055, 38151666, 42390740, 54502380, 63586110, 76303332, 95379165, 127172220, 190758330, 381516660]

約数ペア:

[(1, 381516660), (2, 190758330), (3, 127172220), (4, 95379165), (5, 76303332), (6, 63586110), (7, 54502380), (9, 42390740), (10, 38151666), (12, 31793055), (14, 27251190), (15, 25434444), (18, 21195370), (20, 19075833), (21, 18167460), (28, 13625595), (30, 12717222), (35, 10900476), (36, 10597685), (42, 9083730), (45, 8478148), (60, 6358611), (63, 6055820), (70, 5450238), (84, 4541865), (90, 4239074), (105, 3633492), (126, 3027910), (140, 2725119), (180, 2119537), (210, 1816746), (252, 1513955), (315, 1211164), (420, 908373), (630, 605582), (1260, 302791)]