80200980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2239}}^1$

素因数の和:2453

約数の個数: 72

約数和(自身を含む): 244608000

約数和(自身を除く): 164407020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2239, 2388, 2985, 3582, 3980, 4478, 5970, 6717, 7164, 8955, 8956, 11195, 11940, 13434, 17910, 20151, 22390, 26868, 33585, 35820, 40302, 44780, 67170, 80604, 100755, 134340, 201510, 403020, 445561, 891122, 1336683, 1782244, 2227805, 2673366, 4010049, 4455610, 5346732, 6683415, 8020098, 8911220, 13366830, 16040196, 20050245, 26733660, 40100490, 80200980]

約数ペア:

[(1, 80200980), (2, 40100490), (3, 26733660), (4, 20050245), (5, 16040196), (6, 13366830), (9, 8911220), (10, 8020098), (12, 6683415), (15, 5346732), (18, 4455610), (20, 4010049), (30, 2673366), (36, 2227805), (45, 1782244), (60, 1336683), (90, 891122), (180, 445561), (199, 403020), (398, 201510), (597, 134340), (796, 100755), (995, 80604), (1194, 67170), (1791, 44780), (1990, 40302), (2239, 35820), (2388, 33585), (2985, 26868), (3582, 22390), (3980, 20151), (4478, 17910), (5970, 13434), (6717, 11940), (7164, 11195), (8955, 8956)]