40705020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2239}}^1$

素因数の和:2355

約数の個数: 72

約数和(自身を含む): 124750080

約数和(自身を除く): 84045060

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, 2239, 3030, 3636, 4478, 4545, 6060, 6717, 8956, 9090, 11195, 13434, 18180, 20151, 22390, 26868, 33585, 40302, 44780, 67170, 80604, 100755, 134340, 201510, 226139, 403020, 452278, 678417, 904556, 1130695, 1356834, 2035251, 2261390, 2713668, 3392085, 4070502, 4522780, 6784170, 8141004, 10176255, 13568340, 20352510, 40705020]

約数ペア:

[(1, 40705020), (2, 20352510), (3, 13568340), (4, 10176255), (5, 8141004), (6, 6784170), (9, 4522780), (10, 4070502), (12, 3392085), (15, 2713668), (18, 2261390), (20, 2035251), (30, 1356834), (36, 1130695), (45, 904556), (60, 678417), (90, 452278), (101, 403020), (180, 226139), (202, 201510), (303, 134340), (404, 100755), (505, 80604), (606, 67170), (909, 44780), (1010, 40302), (1212, 33585), (1515, 26868), (1818, 22390), (2020, 20151), (2239, 18180), (3030, 13434), (3636, 11195), (4478, 9090), (4545, 8956), (6060, 6717)]