40157880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47807}}^1$

素因数の和:47828

約数の個数: 64

約数和(自身を含む): 137687040

約数和(自身を除く): 97529160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 47807, 95614, 143421, 191228, 239035, 286842, 334649, 382456, 478070, 573684, 669298, 717105, 956140, 1003947, 1147368, 1338596, 1434210, 1673245, 1912280, 2007894, 2677192, 2868420, 3346490, 4015788, 5019735, 5736840, 6692980, 8031576, 10039470, 13385960, 20078940, 40157880]

約数ペア:

[(1, 40157880), (2, 20078940), (3, 13385960), (4, 10039470), (5, 8031576), (6, 6692980), (7, 5736840), (8, 5019735), (10, 4015788), (12, 3346490), (14, 2868420), (15, 2677192), (20, 2007894), (21, 1912280), (24, 1673245), (28, 1434210), (30, 1338596), (35, 1147368), (40, 1003947), (42, 956140), (56, 717105), (60, 669298), (70, 573684), (84, 478070), (105, 382456), (120, 334649), (140, 286842), (168, 239035), (210, 191228), (280, 143421), (420, 95614), (840, 47807)]