80155620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4409}}^1$

素因数の和:4525

約数の個数: 72

約数和(自身を含む): 245601720

約数和(自身を除く): 165446100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4409, 4545, 6060, 8818, 9090, 13227, 17636, 18180, 22045, 26454, 39681, 44090, 52908, 66135, 79362, 88180, 132270, 158724, 198405, 264540, 396810, 445309, 793620, 890618, 1335927, 1781236, 2226545, 2671854, 4007781, 4453090, 5343708, 6679635, 8015562, 8906180, 13359270, 16031124, 20038905, 26718540, 40077810, 80155620]

約数ペア:

[(1, 80155620), (2, 40077810), (3, 26718540), (4, 20038905), (5, 16031124), (6, 13359270), (9, 8906180), (10, 8015562), (12, 6679635), (15, 5343708), (18, 4453090), (20, 4007781), (30, 2671854), (36, 2226545), (45, 1781236), (60, 1335927), (90, 890618), (101, 793620), (180, 445309), (202, 396810), (303, 264540), (404, 198405), (505, 158724), (606, 132270), (909, 88180), (1010, 79362), (1212, 66135), (1515, 52908), (1818, 44090), (2020, 39681), (3030, 26454), (3636, 22045), (4409, 18180), (4545, 17636), (6060, 13227), (8818, 9090)]