74864580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178249}}^1$

素因数の和:178268

約数の個数: 48

約数和(自身を含む): 239568000

約数和(自身を除く): 164703420

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, 178249, 356498, 534747, 712996, 891245, 1069494, 1247743, 1782490, 2138988, 2495486, 2673735, 3564980, 3743229, 4990972, 5347470, 6238715, 7486458, 10694940, 12477430, 14972916, 18716145, 24954860, 37432290, 74864580]

約数ペア:

[(1, 74864580), (2, 37432290), (3, 24954860), (4, 18716145), (5, 14972916), (6, 12477430), (7, 10694940), (10, 7486458), (12, 6238715), (14, 5347470), (15, 4990972), (20, 3743229), (21, 3564980), (28, 2673735), (30, 2495486), (35, 2138988), (42, 1782490), (60, 1247743), (70, 1069494), (84, 891245), (105, 712996), (140, 534747), (210, 356498), (420, 178249)]