128398410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{203807}}^1$

素因数の和:203827

約数の個数: 48

約数和(自身を含む): 381528576

約数和(自身を除く): 253130166

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 203807, 407614, 611421, 1019035, 1222842, 1426649, 1834263, 2038070, 2853298, 3057105, 3668526, 4279947, 6114210, 7133245, 8559894, 9171315, 12839841, 14266490, 18342630, 21399735, 25679682, 42799470, 64199205, 128398410]

約数ペア:

[(1, 128398410), (2, 64199205), (3, 42799470), (5, 25679682), (6, 21399735), (7, 18342630), (9, 14266490), (10, 12839841), (14, 9171315), (15, 8559894), (18, 7133245), (21, 6114210), (30, 4279947), (35, 3668526), (42, 3057105), (45, 2853298), (63, 2038070), (70, 1834263), (90, 1426649), (105, 1222842), (126, 1019035), (210, 611421), (315, 407614), (630, 203807)]