406823220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21943}}^1$

素因数の和:22061

約数の個数: 72

約数和(自身を含む): 1246068096

約数和(自身を除く): 839244876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 18540, 21943, 43886, 65829, 87772, 109715, 131658, 197487, 219430, 263316, 329145, 394974, 438860, 658290, 789948, 987435, 1316580, 1974870, 2260129, 3949740, 4520258, 6780387, 9040516, 11300645, 13560774, 20341161, 22601290, 27121548, 33901935, 40682322, 45202580, 67803870, 81364644, 101705805, 135607740, 203411610, 406823220]

約数ペア:

[(1, 406823220), (2, 203411610), (3, 135607740), (4, 101705805), (5, 81364644), (6, 67803870), (9, 45202580), (10, 40682322), (12, 33901935), (15, 27121548), (18, 22601290), (20, 20341161), (30, 13560774), (36, 11300645), (45, 9040516), (60, 6780387), (90, 4520258), (103, 3949740), (180, 2260129), (206, 1974870), (309, 1316580), (412, 987435), (515, 789948), (618, 658290), (927, 438860), (1030, 394974), (1236, 329145), (1545, 263316), (1854, 219430), (2060, 197487), (3090, 131658), (3708, 109715), (4635, 87772), (6180, 65829), (9270, 43886), (18540, 21943)]