80977140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1187}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 246486240

約数和(自身を除く): 165509100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1187, 1516, 1895, 2274, 2374, 3411, 3561, 3790, 4548, 4748, 5685, 5935, 6822, 7122, 7580, 10683, 11370, 11870, 13644, 14244, 17055, 17805, 21366, 22740, 23740, 34110, 35610, 42732, 53415, 68220, 71220, 106830, 213660, 449873, 899746, 1349619, 1799492, 2249365, 2699238, 4048857, 4498730, 5398476, 6748095, 8097714, 8997460, 13496190, 16195428, 20244285, 26992380, 40488570, 80977140]

約数ペア:

[(1, 80977140), (2, 40488570), (3, 26992380), (4, 20244285), (5, 16195428), (6, 13496190), (9, 8997460), (10, 8097714), (12, 6748095), (15, 5398476), (18, 4498730), (20, 4048857), (30, 2699238), (36, 2249365), (45, 1799492), (60, 1349619), (90, 899746), (180, 449873), (379, 213660), (758, 106830), (1137, 71220), (1187, 68220), (1516, 53415), (1895, 42732), (2274, 35610), (2374, 34110), (3411, 23740), (3561, 22740), (3790, 21366), (4548, 17805), (4748, 17055), (5685, 14244), (5935, 13644), (6822, 11870), (7122, 11370), (7580, 10683)]