80206290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{38747}}^1$

素因数の和:38783

約数の個数: 48

約数和(自身を含む): 217608768

約数和(自身を除く): 137402478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 38747, 77494, 116241, 193735, 232482, 348723, 387470, 581205, 697446, 891181, 1162410, 1743615, 1782362, 2673543, 3487230, 4455905, 5347086, 8020629, 8911810, 13367715, 16041258, 26735430, 40103145, 80206290]

約数ペア:

[(1, 80206290), (2, 40103145), (3, 26735430), (5, 16041258), (6, 13367715), (9, 8911810), (10, 8020629), (15, 5347086), (18, 4455905), (23, 3487230), (30, 2673543), (45, 1782362), (46, 1743615), (69, 1162410), (90, 891181), (115, 697446), (138, 581205), (207, 387470), (230, 348723), (345, 232482), (414, 193735), (690, 116241), (1035, 77494), (2070, 38747)]