54278460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1997}}^1$

素因数の和:2163

約数の個数: 72

約数和(自身を含む): 165818016

約数和(自身を除く): 111539556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 1997, 2265, 2718, 3020, 3994, 4530, 5436, 5991, 6795, 7988, 9060, 9985, 11982, 13590, 17973, 19970, 23964, 27180, 29955, 35946, 39940, 59910, 71892, 89865, 119820, 179730, 301547, 359460, 603094, 904641, 1206188, 1507735, 1809282, 2713923, 3015470, 3618564, 4523205, 5427846, 6030940, 9046410, 10855692, 13569615, 18092820, 27139230, 54278460]

約数ペア:

[(1, 54278460), (2, 27139230), (3, 18092820), (4, 13569615), (5, 10855692), (6, 9046410), (9, 6030940), (10, 5427846), (12, 4523205), (15, 3618564), (18, 3015470), (20, 2713923), (30, 1809282), (36, 1507735), (45, 1206188), (60, 904641), (90, 603094), (151, 359460), (180, 301547), (302, 179730), (453, 119820), (604, 89865), (755, 71892), (906, 59910), (1359, 39940), (1510, 35946), (1812, 29955), (1997, 27180), (2265, 23964), (2718, 19970), (3020, 17973), (3994, 13590), (4530, 11982), (5436, 9985), (5991, 9060), (6795, 7988)]