81516870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53279}}^1$

素因数の和:53309

約数の個数: 48

約数和(自身を含む): 224415360

約数和(自身を除く): 142898490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 53279, 106558, 159837, 266395, 319674, 479511, 532790, 799185, 905743, 959022, 1598370, 1811486, 2397555, 2717229, 4528715, 4795110, 5434458, 8151687, 9057430, 13586145, 16303374, 27172290, 40758435, 81516870]

約数ペア:

[(1, 81516870), (2, 40758435), (3, 27172290), (5, 16303374), (6, 13586145), (9, 9057430), (10, 8151687), (15, 5434458), (17, 4795110), (18, 4528715), (30, 2717229), (34, 2397555), (45, 1811486), (51, 1598370), (85, 959022), (90, 905743), (102, 799185), (153, 532790), (170, 479511), (255, 319674), (306, 266395), (510, 159837), (765, 106558), (1530, 53279)]