31091220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9091}}^1$

素因数の和:9125

約数の個数: 72

約数和(自身を含む): 99284640

約数和(自身を除く): 68193420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 9091, 18182, 27273, 36364, 45455, 54546, 81819, 90910, 109092, 136365, 163638, 172729, 181820, 272730, 327276, 345458, 409095, 518187, 545460, 690916, 818190, 863645, 1036374, 1554561, 1636380, 1727290, 2072748, 2590935, 3109122, 3454580, 5181870, 6218244, 7772805, 10363740, 15545610, 31091220]

約数ペア:

[(1, 31091220), (2, 15545610), (3, 10363740), (4, 7772805), (5, 6218244), (6, 5181870), (9, 3454580), (10, 3109122), (12, 2590935), (15, 2072748), (18, 1727290), (19, 1636380), (20, 1554561), (30, 1036374), (36, 863645), (38, 818190), (45, 690916), (57, 545460), (60, 518187), (76, 409095), (90, 345458), (95, 327276), (114, 272730), (171, 181820), (180, 172729), (190, 163638), (228, 136365), (285, 109092), (342, 90910), (380, 81819), (570, 54546), (684, 45455), (855, 36364), (1140, 27273), (1710, 18182), (3420, 9091)]