1980765180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1709}}^1$

素因数の和:1908

約数の個数: 144

約数和(自身を含む): 6184563840

約数和(自身を除く): 4203798660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 137, 141, 180, 188, 235, 274, 282, 411, 423, 470, 548, 564, 685, 705, 822, 846, 940, 1233, 1370, 1410, 1644, 1692, 1709, 2055, 2115, 2466, 2740, 2820, 3418, 4110, 4230, 4932, 5127, 6165, 6439, 6836, 8220, 8460, 8545, 10254, 12330, 12878, 15381, 17090, 19317, 20508, 24660, 25635, 25756, 30762, 32195, 34180, 38634, 51270, 57951, 61524, 64390, 76905, 77268, 80323, 96585, 102540, 115902, 128780, 153810, 160646, 193170, 231804, 234133, 240969, 289755, 307620, 321292, 386340, 401615, 468266, 481938, 579510, 702399, 722907, 803230, 936532, 963876, 1159020, 1170665, 1204845, 1404798, 1445814, 1606460, 2107197, 2341330, 2409690, 2809596, 2891628, 3511995, 3614535, 4214394, 4682660, 4819380, 7023990, 7229070, 8428788, 10535985, 11004251, 14047980, 14458140, 21071970, 22008502, 33012753, 42143940, 44017004, 55021255, 66025506, 99038259, 110042510, 132051012, 165063765, 198076518, 220085020, 330127530, 396153036, 495191295, 660255060, 990382590, 1980765180]

約数ペア:

[(1, 1980765180), (2, 990382590), (3, 660255060), (4, 495191295), (5, 396153036), (6, 330127530), (9, 220085020), (10, 198076518), (12, 165063765), (15, 132051012), (18, 110042510), (20, 99038259), (30, 66025506), (36, 55021255), (45, 44017004), (47, 42143940), (60, 33012753), (90, 22008502), (94, 21071970), (137, 14458140), (141, 14047980), (180, 11004251), (188, 10535985), (235, 8428788), (274, 7229070), (282, 7023990), (411, 4819380), (423, 4682660), (470, 4214394), (548, 3614535), (564, 3511995), (685, 2891628), (705, 2809596), (822, 2409690), (846, 2341330), (940, 2107197), (1233, 1606460), (1370, 1445814), (1410, 1404798), (1644, 1204845), (1692, 1170665), (1709, 1159020), (2055, 963876), (2115, 936532), (2466, 803230), (2740, 722907), (2820, 702399), (3418, 579510), (4110, 481938), (4230, 468266), (4932, 401615), (5127, 386340), (6165, 321292), (6439, 307620), (6836, 289755), (8220, 240969), (8460, 234133), (8545, 231804), (10254, 193170), (12330, 160646), (12878, 153810), (15381, 128780), (17090, 115902), (19317, 102540), (20508, 96585), (24660, 80323), (25635, 77268), (25756, 76905), (30762, 64390), (32195, 61524), (34180, 57951), (38634, 51270)]