1640427840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12119}}^1$

素因数の和:12189

約数の個数: 168

約数和(自身を含む): 5762914560

約数和(自身を除く): 4122486720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 120, 141, 144, 160, 180, 188, 192, 235, 240, 282, 288, 320, 360, 376, 423, 470, 480, 564, 576, 705, 720, 752, 846, 940, 960, 1128, 1410, 1440, 1504, 1692, 1880, 2115, 2256, 2820, 2880, 3008, 3384, 3760, 4230, 4512, 5640, 6768, 7520, 8460, 9024, 11280, 12119, 13536, 15040, 16920, 22560, 24238, 27072, 33840, 36357, 45120, 48476, 60595, 67680, 72714, 96952, 109071, 121190, 135360, 145428, 181785, 193904, 218142, 242380, 290856, 363570, 387808, 436284, 484760, 545355, 569593, 581712, 727140, 775616, 872568, 969520, 1090710, 1139186, 1163424, 1454280, 1708779, 1745136, 1939040, 2181420, 2278372, 2326848, 2847965, 2908560, 3417558, 3490272, 3878080, 4362840, 4556744, 5126337, 5695930, 5817120, 6835116, 6980544, 8543895, 8725680, 9113488, 10252674, 11391860, 11634240, 13670232, 17087790, 17451360, 18226976, 20505348, 22783720, 25631685, 27340464, 34175580, 34902720, 36453952, 41010696, 45567440, 51263370, 54680928, 68351160, 82021392, 91134880, 102526740, 109361856, 136702320, 164042784, 182269760, 205053480, 273404640, 328085568, 410106960, 546809280, 820213920, 1640427840]

約数ペア:

[(1, 1640427840), (2, 820213920), (3, 546809280), (4, 410106960), (5, 328085568), (6, 273404640), (8, 205053480), (9, 182269760), (10, 164042784), (12, 136702320), (15, 109361856), (16, 102526740), (18, 91134880), (20, 82021392), (24, 68351160), (30, 54680928), (32, 51263370), (36, 45567440), (40, 41010696), (45, 36453952), (47, 34902720), (48, 34175580), (60, 27340464), (64, 25631685), (72, 22783720), (80, 20505348), (90, 18226976), (94, 17451360), (96, 17087790), (120, 13670232), (141, 11634240), (144, 11391860), (160, 10252674), (180, 9113488), (188, 8725680), (192, 8543895), (235, 6980544), (240, 6835116), (282, 5817120), (288, 5695930), (320, 5126337), (360, 4556744), (376, 4362840), (423, 3878080), (470, 3490272), (480, 3417558), (564, 2908560), (576, 2847965), (705, 2326848), (720, 2278372), (752, 2181420), (846, 1939040), (940, 1745136), (960, 1708779), (1128, 1454280), (1410, 1163424), (1440, 1139186), (1504, 1090710), (1692, 969520), (1880, 872568), (2115, 775616), (2256, 727140), (2820, 581712), (2880, 569593), (3008, 545355), (3384, 484760), (3760, 436284), (4230, 387808), (4512, 363570), (5640, 290856), (6768, 242380), (7520, 218142), (8460, 193904), (9024, 181785), (11280, 145428), (12119, 135360), (13536, 121190), (15040, 109071), (16920, 96952), (22560, 72714), (24238, 67680), (27072, 60595), (33840, 48476), (36357, 45120)]