1680721650

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3287

約数の個数: 144

約数和(自身を含む): 4793172384

約数和(自身を除く): 3112450734

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 43, 45, 50, 54, 75, 81, 86, 90, 129, 135, 150, 162, 215, 225, 243, 258, 270, 387, 405, 430, 450, 486, 645, 675, 774, 810, 1075, 1161, 1215, 1290, 1350, 1935, 2025, 2150, 2322, 2430, 3217, 3225, 3483, 3870, 4050, 5805, 6075, 6434, 6450, 6966, 9651, 9675, 10449, 11610, 12150, 16085, 17415, 19302, 19350, 20898, 28953, 29025, 32170, 34830, 48255, 52245, 57906, 58050, 80425, 86859, 87075, 96510, 104490, 138331, 144765, 160850, 173718, 174150, 241275, 260577, 261225, 276662, 289530, 414993, 434295, 482550, 521154, 522450, 691655, 723825, 781731, 829986, 868590, 1244979, 1302885, 1383310, 1447650, 1563462, 2074965, 2171475, 2489958, 2605770, 3458275, 3734937, 3908655, 4149930, 4342950, 6224895, 6514425, 6916550, 7469874, 7817310, 10374825, 11204811, 12449790, 13028850, 18674685, 19543275, 20749650, 22409622, 31124475, 33614433, 37349370, 39086550, 56024055, 62248950, 67228866, 93373425, 112048110, 168072165, 186746850, 280120275, 336144330, 560240550, 840360825, 1680721650]

約数ペア:

[(1, 1680721650), (2, 840360825), (3, 560240550), (5, 336144330), (6, 280120275), (9, 186746850), (10, 168072165), (15, 112048110), (18, 93373425), (25, 67228866), (27, 62248950), (30, 56024055), (43, 39086550), (45, 37349370), (50, 33614433), (54, 31124475), (75, 22409622), (81, 20749650), (86, 19543275), (90, 18674685), (129, 13028850), (135, 12449790), (150, 11204811), (162, 10374825), (215, 7817310), (225, 7469874), (243, 6916550), (258, 6514425), (270, 6224895), (387, 4342950), (405, 4149930), (430, 3908655), (450, 3734937), (486, 3458275), (645, 2605770), (675, 2489958), (774, 2171475), (810, 2074965), (1075, 1563462), (1161, 1447650), (1215, 1383310), (1290, 1302885), (1350, 1244979), (1935, 868590), (2025, 829986), (2150, 781731), (2322, 723825), (2430, 691655), (3217, 522450), (3225, 521154), (3483, 482550), (3870, 434295), (4050, 414993), (5805, 289530), (6075, 276662), (6434, 261225), (6450, 260577), (6966, 241275), (9651, 174150), (9675, 173718), (10449, 160850), (11610, 144765), (12150, 138331), (16085, 104490), (17415, 96510), (19302, 87075), (19350, 86859), (20898, 80425), (28953, 58050), (29025, 57906), (32170, 52245), (34830, 48255)]