315403620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{750961}}^1$

素因数の和:750980

約数の個数: 48

約数和(自身を含む): 1009292928

約数和(自身を除く): 693889308

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, 750961, 1501922, 2252883, 3003844, 3754805, 4505766, 5256727, 7509610, 9011532, 10513454, 11264415, 15019220, 15770181, 21026908, 22528830, 26283635, 31540362, 45057660, 52567270, 63080724, 78850905, 105134540, 157701810, 315403620]

約数ペア:

[(1, 315403620), (2, 157701810), (3, 105134540), (4, 78850905), (5, 63080724), (6, 52567270), (7, 45057660), (10, 31540362), (12, 26283635), (14, 22528830), (15, 21026908), (20, 15770181), (21, 15019220), (28, 11264415), (30, 10513454), (35, 9011532), (42, 7509610), (60, 5256727), (70, 4505766), (84, 3754805), (105, 3003844), (140, 2252883), (210, 1501922), (420, 750961)]