8213220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 25212096

約数和(自身を除く): 16998876

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, 443, 515, 618, 886, 927, 1030, 1236, 1329, 1545, 1772, 1854, 2060, 2215, 2658, 3090, 3708, 3987, 4430, 4635, 5316, 6180, 6645, 7974, 8860, 9270, 13290, 15948, 18540, 19935, 26580, 39870, 45629, 79740, 91258, 136887, 182516, 228145, 273774, 410661, 456290, 547548, 684435, 821322, 912580, 1368870, 1642644, 2053305, 2737740, 4106610, 8213220]

約数ペア:

[(1, 8213220), (2, 4106610), (3, 2737740), (4, 2053305), (5, 1642644), (6, 1368870), (9, 912580), (10, 821322), (12, 684435), (15, 547548), (18, 456290), (20, 410661), (30, 273774), (36, 228145), (45, 182516), (60, 136887), (90, 91258), (103, 79740), (180, 45629), (206, 39870), (309, 26580), (412, 19935), (443, 18540), (515, 15948), (618, 13290), (886, 9270), (927, 8860), (1030, 7974), (1236, 6645), (1329, 6180), (1545, 5316), (1772, 4635), (1854, 4430), (2060, 3987), (2215, 3708), (2658, 3090)]