81351690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16843}}^1$

素因数の和:16883

約数の個数: 64

約数和(自身を含む): 232851456

約数和(自身を除く): 151499766

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4830, 16843, 33686, 50529, 84215, 101058, 117901, 168430, 235802, 252645, 353703, 387389, 505290, 589505, 707406, 774778, 1162167, 1179010, 1768515, 1936945, 2324334, 2711723, 3537030, 3873890, 5423446, 5810835, 8135169, 11621670, 13558615, 16270338, 27117230, 40675845, 81351690]

約数ペア:

[(1, 81351690), (2, 40675845), (3, 27117230), (5, 16270338), (6, 13558615), (7, 11621670), (10, 8135169), (14, 5810835), (15, 5423446), (21, 3873890), (23, 3537030), (30, 2711723), (35, 2324334), (42, 1936945), (46, 1768515), (69, 1179010), (70, 1162167), (105, 774778), (115, 707406), (138, 589505), (161, 505290), (210, 387389), (230, 353703), (322, 252645), (345, 235802), (483, 168430), (690, 117901), (805, 101058), (966, 84215), (1610, 50529), (2415, 33686), (4830, 16843)]