8181270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 22069440

約数和(自身を除く): 13888170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 157, 193, 270, 314, 386, 471, 579, 785, 942, 965, 1158, 1413, 1570, 1737, 1930, 2355, 2826, 2895, 3474, 4239, 4710, 5211, 5790, 7065, 8478, 8685, 10422, 14130, 17370, 21195, 26055, 30301, 42390, 52110, 60602, 90903, 151505, 181806, 272709, 303010, 454515, 545418, 818127, 909030, 1363545, 1636254, 2727090, 4090635, 8181270]

約数ペア:

[(1, 8181270), (2, 4090635), (3, 2727090), (5, 1636254), (6, 1363545), (9, 909030), (10, 818127), (15, 545418), (18, 454515), (27, 303010), (30, 272709), (45, 181806), (54, 151505), (90, 90903), (135, 60602), (157, 52110), (193, 42390), (270, 30301), (314, 26055), (386, 21195), (471, 17370), (579, 14130), (785, 10422), (942, 8685), (965, 8478), (1158, 7065), (1413, 5790), (1570, 5211), (1737, 4710), (1930, 4239), (2355, 3474), (2826, 2895)]