80377740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{743}}^1$

素因数の和:1359

約数の個数: 72

約数和(自身を含む): 244546848

約数和(自身を除く): 164169108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 601, 743, 1202, 1486, 1803, 2229, 2404, 2972, 3005, 3606, 3715, 4458, 5409, 6010, 6687, 7212, 7430, 8916, 9015, 10818, 11145, 12020, 13374, 14860, 18030, 21636, 22290, 26748, 27045, 33435, 36060, 44580, 54090, 66870, 108180, 133740, 446543, 893086, 1339629, 1786172, 2232715, 2679258, 4018887, 4465430, 5358516, 6698145, 8037774, 8930860, 13396290, 16075548, 20094435, 26792580, 40188870, 80377740]

約数ペア:

[(1, 80377740), (2, 40188870), (3, 26792580), (4, 20094435), (5, 16075548), (6, 13396290), (9, 8930860), (10, 8037774), (12, 6698145), (15, 5358516), (18, 4465430), (20, 4018887), (30, 2679258), (36, 2232715), (45, 1786172), (60, 1339629), (90, 893086), (180, 446543), (601, 133740), (743, 108180), (1202, 66870), (1486, 54090), (1803, 44580), (2229, 36060), (2404, 33435), (2972, 27045), (3005, 26748), (3606, 22290), (3715, 21636), (4458, 18030), (5409, 14860), (6010, 13374), (6687, 12020), (7212, 11145), (7430, 10818), (8916, 9015)]