78769740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{187547}}^1$

素因数の和:187566

約数の個数: 48

約数和(自身を含む): 252064512

約数和(自身を除く): 173294772

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, 187547, 375094, 562641, 750188, 937735, 1125282, 1312829, 1875470, 2250564, 2625658, 2813205, 3750940, 3938487, 5251316, 5626410, 6564145, 7876974, 11252820, 13128290, 15753948, 19692435, 26256580, 39384870, 78769740]

約数ペア:

[(1, 78769740), (2, 39384870), (3, 26256580), (4, 19692435), (5, 15753948), (6, 13128290), (7, 11252820), (10, 7876974), (12, 6564145), (14, 5626410), (15, 5251316), (20, 3938487), (21, 3750940), (28, 2813205), (30, 2625658), (35, 2250564), (42, 1875470), (60, 1312829), (70, 1125282), (84, 937735), (105, 750188), (140, 562641), (210, 375094), (420, 187547)]