42978180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{102329}}^1$

素因数の和:102348

約数の個数: 48

約数和(自身を含む): 137531520

約数和(自身を除く): 94553340

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, 102329, 204658, 306987, 409316, 511645, 613974, 716303, 1023290, 1227948, 1432606, 1534935, 2046580, 2148909, 2865212, 3069870, 3581515, 4297818, 6139740, 7163030, 8595636, 10744545, 14326060, 21489090, 42978180]

約数ペア:

[(1, 42978180), (2, 21489090), (3, 14326060), (4, 10744545), (5, 8595636), (6, 7163030), (7, 6139740), (10, 4297818), (12, 3581515), (14, 3069870), (15, 2865212), (20, 2148909), (21, 2046580), (28, 1534935), (30, 1432606), (35, 1227948), (42, 1023290), (60, 716303), (70, 613974), (84, 511645), (105, 409316), (140, 306987), (210, 204658), (420, 102329)]