315301980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{750719}}^1$

素因数の和:750738

約数の個数: 48

約数和(自身を含む): 1008967680

約数和(自身を除く): 693665700

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, 750719, 1501438, 2252157, 3002876, 3753595, 4504314, 5255033, 7507190, 9008628, 10510066, 11260785, 15014380, 15765099, 21020132, 22521570, 26275165, 31530198, 45043140, 52550330, 63060396, 78825495, 105100660, 157650990, 315301980]

約数ペア:

[(1, 315301980), (2, 157650990), (3, 105100660), (4, 78825495), (5, 63060396), (6, 52550330), (7, 45043140), (10, 31530198), (12, 26275165), (14, 22521570), (15, 21020132), (20, 15765099), (21, 15014380), (28, 11260785), (30, 10510066), (35, 9008628), (42, 7507190), (60, 5255033), (70, 4504314), (84, 3753595), (105, 3002876), (140, 2252157), (210, 1501438), (420, 750719)]