290021220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15643}}^1$

素因数の和:15761

約数の個数: 72

約数和(自身を含む): 888328896

約数和(自身を除く): 598307676

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, 15643, 18540, 31286, 46929, 62572, 78215, 93858, 140787, 156430, 187716, 234645, 281574, 312860, 469290, 563148, 703935, 938580, 1407870, 1611229, 2815740, 3222458, 4833687, 6444916, 8056145, 9667374, 14501061, 16112290, 19334748, 24168435, 29002122, 32224580, 48336870, 58004244, 72505305, 96673740, 145010610, 290021220]

約数ペア:

[(1, 290021220), (2, 145010610), (3, 96673740), (4, 72505305), (5, 58004244), (6, 48336870), (9, 32224580), (10, 29002122), (12, 24168435), (15, 19334748), (18, 16112290), (20, 14501061), (30, 9667374), (36, 8056145), (45, 6444916), (60, 4833687), (90, 3222458), (103, 2815740), (180, 1611229), (206, 1407870), (309, 938580), (412, 703935), (515, 563148), (618, 469290), (927, 312860), (1030, 281574), (1236, 234645), (1545, 187716), (1854, 156430), (2060, 140787), (3090, 93858), (3708, 78215), (4635, 62572), (6180, 46929), (9270, 31286), (15643, 18540)]