75728940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{180307}}^1$

素因数の和:180326

約数の個数: 48

約数和(自身を含む): 242333952

約数和(自身を除く): 166605012

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, 180307, 360614, 540921, 721228, 901535, 1081842, 1262149, 1803070, 2163684, 2524298, 2704605, 3606140, 3786447, 5048596, 5409210, 6310745, 7572894, 10818420, 12621490, 15145788, 18932235, 25242980, 37864470, 75728940]

約数ペア:

[(1, 75728940), (2, 37864470), (3, 25242980), (4, 18932235), (5, 15145788), (6, 12621490), (7, 10818420), (10, 7572894), (12, 6310745), (14, 5409210), (15, 5048596), (20, 3786447), (21, 3606140), (28, 2704605), (30, 2524298), (35, 2163684), (42, 1803070), (60, 1262149), (70, 1081842), (84, 901535), (105, 721228), (140, 540921), (210, 360614), (420, 180307)]