72901800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 247869180

約数和(自身を除く): 174967380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 101, 120, 150, 180, 200, 202, 225, 300, 303, 360, 401, 404, 450, 505, 600, 606, 802, 808, 900, 909, 1010, 1203, 1212, 1515, 1604, 1800, 1818, 2005, 2020, 2406, 2424, 2525, 3030, 3208, 3609, 3636, 4010, 4040, 4545, 4812, 5050, 6015, 6060, 7218, 7272, 7575, 8020, 9090, 9624, 10025, 10100, 12030, 12120, 14436, 15150, 16040, 18045, 18180, 20050, 20200, 22725, 24060, 28872, 30075, 30300, 36090, 36360, 40100, 40501, 45450, 48120, 60150, 60600, 72180, 80200, 81002, 90225, 90900, 120300, 121503, 144360, 162004, 180450, 181800, 202505, 240600, 243006, 324008, 360900, 364509, 405010, 486012, 607515, 721800, 729018, 810020, 972024, 1012525, 1215030, 1458036, 1620040, 1822545, 2025050, 2430060, 2916072, 3037575, 3645090, 4050100, 4860120, 6075150, 7290180, 8100200, 9112725, 12150300, 14580360, 18225450, 24300600, 36450900, 72901800]

約数ペア:

[(1, 72901800), (2, 36450900), (3, 24300600), (4, 18225450), (5, 14580360), (6, 12150300), (8, 9112725), (9, 8100200), (10, 7290180), (12, 6075150), (15, 4860120), (18, 4050100), (20, 3645090), (24, 3037575), (25, 2916072), (30, 2430060), (36, 2025050), (40, 1822545), (45, 1620040), (50, 1458036), (60, 1215030), (72, 1012525), (75, 972024), (90, 810020), (100, 729018), (101, 721800), (120, 607515), (150, 486012), (180, 405010), (200, 364509), (202, 360900), (225, 324008), (300, 243006), (303, 240600), (360, 202505), (401, 181800), (404, 180450), (450, 162004), (505, 144360), (600, 121503), (606, 120300), (802, 90900), (808, 90225), (900, 81002), (909, 80200), (1010, 72180), (1203, 60600), (1212, 60150), (1515, 48120), (1604, 45450), (1800, 40501), (1818, 40100), (2005, 36360), (2020, 36090), (2406, 30300), (2424, 30075), (2525, 28872), (3030, 24060), (3208, 22725), (3609, 20200), (3636, 20050), (4010, 18180), (4040, 18045), (4545, 16040), (4812, 15150), (5050, 14436), (6015, 12120), (6060, 12030), (7218, 10100), (7272, 10025), (7575, 9624), (8020, 9090)]