664758540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{16561}}^1$

素因数の和:16799

約数の個数: 72

約数和(自身を含む): 2025598848

約数和(自身を除く): 1360840308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 6690, 8028, 10035, 13380, 16561, 20070, 33122, 40140, 49683, 66244, 82805, 99366, 149049, 165610, 198732, 248415, 298098, 331220, 496830, 596196, 745245, 993660, 1490490, 2980980, 3693103, 7386206, 11079309, 14772412, 18465515, 22158618, 33237927, 36931030, 44317236, 55396545, 66475854, 73862060, 110793090, 132951708, 166189635, 221586180, 332379270, 664758540]

約数ペア:

[(1, 664758540), (2, 332379270), (3, 221586180), (4, 166189635), (5, 132951708), (6, 110793090), (9, 73862060), (10, 66475854), (12, 55396545), (15, 44317236), (18, 36931030), (20, 33237927), (30, 22158618), (36, 18465515), (45, 14772412), (60, 11079309), (90, 7386206), (180, 3693103), (223, 2980980), (446, 1490490), (669, 993660), (892, 745245), (1115, 596196), (1338, 496830), (2007, 331220), (2230, 298098), (2676, 248415), (3345, 198732), (4014, 165610), (4460, 149049), (6690, 99366), (8028, 82805), (10035, 66244), (13380, 49683), (16561, 40140), (20070, 33122)]