2615705960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{23531}}^1$

素因数の和:23946

約数の個数: 64

約数和(自身を含む): 6743329920

約数和(自身を除く): 4127623960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 794, 1588, 1985, 2779, 3176, 3970, 5558, 7940, 11116, 13895, 15880, 22232, 23531, 27790, 47062, 55580, 94124, 111160, 117655, 164717, 188248, 235310, 329434, 470620, 658868, 823585, 941240, 1317736, 1647170, 3294340, 6588680, 9341807, 18683614, 37367228, 46709035, 65392649, 74734456, 93418070, 130785298, 186836140, 261570596, 326963245, 373672280, 523141192, 653926490, 1307852980, 2615705960]

約数ペア:

[(1, 2615705960), (2, 1307852980), (4, 653926490), (5, 523141192), (7, 373672280), (8, 326963245), (10, 261570596), (14, 186836140), (20, 130785298), (28, 93418070), (35, 74734456), (40, 65392649), (56, 46709035), (70, 37367228), (140, 18683614), (280, 9341807), (397, 6588680), (794, 3294340), (1588, 1647170), (1985, 1317736), (2779, 941240), (3176, 823585), (3970, 658868), (5558, 470620), (7940, 329434), (11116, 235310), (13895, 188248), (15880, 164717), (22232, 117655), (23531, 111160), (27790, 94124), (47062, 55580)]