64172220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{152791}}^1$

素因数の和:152810

約数の個数: 48

約数和(自身を含む): 205352448

約数和(自身を除く): 141180228

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, 152791, 305582, 458373, 611164, 763955, 916746, 1069537, 1527910, 1833492, 2139074, 2291865, 3055820, 3208611, 4278148, 4583730, 5347685, 6417222, 9167460, 10695370, 12834444, 16043055, 21390740, 32086110, 64172220]

約数ペア:

[(1, 64172220), (2, 32086110), (3, 21390740), (4, 16043055), (5, 12834444), (6, 10695370), (7, 9167460), (10, 6417222), (12, 5347685), (14, 4583730), (15, 4278148), (20, 3208611), (21, 3055820), (28, 2291865), (30, 2139074), (35, 1833492), (42, 1527910), (60, 1069537), (70, 916746), (84, 763955), (105, 611164), (140, 458373), (210, 305582), (420, 152791)]