127172220

素因数分解:

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

素因数の和:302810

約数の個数: 48

約数和(自身を含む): 406952448

約数和(自身を除く): 279780228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 302791, 605582, 908373, 1211164, 1513955, 1816746, 2119537, 3027910, 3633492, 4239074, 4541865, 6055820, 6358611, 8478148, 9083730, 10597685, 12717222, 18167460, 21195370, 25434444, 31793055, 42390740, 63586110, 127172220]

約数ペア:

[(1, 127172220), (2, 63586110), (3, 42390740), (4, 31793055), (5, 25434444), (6, 21195370), (7, 18167460), (10, 12717222), (12, 10597685), (14, 9083730), (15, 8478148), (20, 6358611), (21, 6055820), (28, 4541865), (30, 4239074), (35, 3633492), (42, 3027910), (60, 2119537), (70, 1816746), (84, 1513955), (105, 1211164), (140, 908373), (210, 605582), (420, 302791)]