81919080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:872

約数の個数: 128

約数和(自身を含む): 276134400

約数和(自身を除く): 194215320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 101, 108, 120, 135, 180, 202, 216, 270, 303, 360, 404, 505, 540, 606, 751, 808, 909, 1010, 1080, 1212, 1502, 1515, 1818, 2020, 2253, 2424, 2727, 3004, 3030, 3636, 3755, 4040, 4506, 4545, 5454, 6008, 6060, 6759, 7272, 7510, 9012, 9090, 10908, 11265, 12120, 13518, 13635, 15020, 18024, 18180, 20277, 21816, 22530, 27036, 27270, 30040, 33795, 36360, 40554, 45060, 54072, 54540, 67590, 75851, 81108, 90120, 101385, 109080, 135180, 151702, 162216, 202770, 227553, 270360, 303404, 379255, 405540, 455106, 606808, 682659, 758510, 811080, 910212, 1137765, 1365318, 1517020, 1820424, 2047977, 2275530, 2730636, 3034040, 3413295, 4095954, 4551060, 5461272, 6826590, 8191908, 9102120, 10239885, 13653180, 16383816, 20479770, 27306360, 40959540, 81919080]

約数ペア:

[(1, 81919080), (2, 40959540), (3, 27306360), (4, 20479770), (5, 16383816), (6, 13653180), (8, 10239885), (9, 9102120), (10, 8191908), (12, 6826590), (15, 5461272), (18, 4551060), (20, 4095954), (24, 3413295), (27, 3034040), (30, 2730636), (36, 2275530), (40, 2047977), (45, 1820424), (54, 1517020), (60, 1365318), (72, 1137765), (90, 910212), (101, 811080), (108, 758510), (120, 682659), (135, 606808), (180, 455106), (202, 405540), (216, 379255), (270, 303404), (303, 270360), (360, 227553), (404, 202770), (505, 162216), (540, 151702), (606, 135180), (751, 109080), (808, 101385), (909, 90120), (1010, 81108), (1080, 75851), (1212, 67590), (1502, 54540), (1515, 54072), (1818, 45060), (2020, 40554), (2253, 36360), (2424, 33795), (2727, 30040), (3004, 27270), (3030, 27036), (3636, 22530), (3755, 21816), (4040, 20277), (4506, 18180), (4545, 18024), (5454, 15020), (6008, 13635), (6060, 13518), (6759, 12120), (7272, 11265), (7510, 10908), (9012, 9090)]