55213740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2239}}^1$

素因数の和:2391

約数の個数: 72

約数和(自身を含む): 168779520

約数和(自身を除く): 113565780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2239, 2466, 2740, 4110, 4478, 4932, 6165, 6717, 8220, 8956, 11195, 12330, 13434, 20151, 22390, 24660, 26868, 33585, 40302, 44780, 67170, 80604, 100755, 134340, 201510, 306743, 403020, 613486, 920229, 1226972, 1533715, 1840458, 2760687, 3067430, 3680916, 4601145, 5521374, 6134860, 9202290, 11042748, 13803435, 18404580, 27606870, 55213740]

約数ペア:

[(1, 55213740), (2, 27606870), (3, 18404580), (4, 13803435), (5, 11042748), (6, 9202290), (9, 6134860), (10, 5521374), (12, 4601145), (15, 3680916), (18, 3067430), (20, 2760687), (30, 1840458), (36, 1533715), (45, 1226972), (60, 920229), (90, 613486), (137, 403020), (180, 306743), (274, 201510), (411, 134340), (548, 100755), (685, 80604), (822, 67170), (1233, 44780), (1370, 40302), (1644, 33585), (2055, 26868), (2239, 24660), (2466, 22390), (2740, 20151), (4110, 13434), (4478, 12330), (4932, 11195), (6165, 8956), (6717, 8220)]