71780220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13751}}^1$

素因数の和:13795

約数の個数: 72

約数和(自身を含む): 225257760

約数和(自身を除く): 153477540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 13751, 27502, 41253, 55004, 68755, 82506, 123759, 137510, 165012, 206265, 247518, 275020, 398779, 412530, 495036, 618795, 797558, 825060, 1196337, 1237590, 1595116, 1993895, 2392674, 2475180, 3589011, 3987790, 4785348, 5981685, 7178022, 7975580, 11963370, 14356044, 17945055, 23926740, 35890110, 71780220]

約数ペア:

[(1, 71780220), (2, 35890110), (3, 23926740), (4, 17945055), (5, 14356044), (6, 11963370), (9, 7975580), (10, 7178022), (12, 5981685), (15, 4785348), (18, 3987790), (20, 3589011), (29, 2475180), (30, 2392674), (36, 1993895), (45, 1595116), (58, 1237590), (60, 1196337), (87, 825060), (90, 797558), (116, 618795), (145, 495036), (174, 412530), (180, 398779), (261, 275020), (290, 247518), (348, 206265), (435, 165012), (522, 137510), (580, 123759), (870, 82506), (1044, 68755), (1305, 55004), (1740, 41253), (2610, 27502), (5220, 13751)]