30158940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71807}}^1$

素因数の和:71826

約数の個数: 48

約数和(自身を含む): 96509952

約数和(自身を除く): 66351012

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, 71807, 143614, 215421, 287228, 359035, 430842, 502649, 718070, 861684, 1005298, 1077105, 1436140, 1507947, 2010596, 2154210, 2513245, 3015894, 4308420, 5026490, 6031788, 7539735, 10052980, 15079470, 30158940]

約数ペア:

[(1, 30158940), (2, 15079470), (3, 10052980), (4, 7539735), (5, 6031788), (6, 5026490), (7, 4308420), (10, 3015894), (12, 2513245), (14, 2154210), (15, 2010596), (20, 1507947), (21, 1436140), (28, 1077105), (30, 1005298), (35, 861684), (42, 718070), (60, 502649), (70, 430842), (84, 359035), (105, 287228), (140, 215421), (210, 143614), (420, 71807)]