2890133120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1949}}^1$

素因数の和:2306

約数の個数: 128

約数和(自身を含む): 7924176000

約数和(自身を除く): 5034042880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 331, 448, 560, 640, 662, 896, 1120, 1324, 1655, 1949, 2240, 2317, 2648, 3310, 3898, 4480, 4634, 5296, 6620, 7796, 9268, 9745, 10592, 11585, 13240, 13643, 15592, 18536, 19490, 21184, 23170, 26480, 27286, 31184, 37072, 38980, 42368, 46340, 52960, 54572, 62368, 68215, 74144, 77960, 92680, 105920, 109144, 124736, 136430, 148288, 155920, 185360, 211840, 218288, 249472, 272860, 296576, 311840, 370720, 436576, 545720, 623680, 645119, 741440, 873152, 1091440, 1247360, 1290238, 1482880, 1746304, 2182880, 2580476, 3225595, 4365760, 4515833, 5160952, 6451190, 8731520, 9031666, 10321904, 12902380, 18063332, 20643808, 22579165, 25804760, 36126664, 41287616, 45158330, 51609520, 72253328, 82575232, 90316660, 103219040, 144506656, 180633320, 206438080, 289013312, 361266640, 412876160, 578026624, 722533280, 1445066560, 2890133120]

約数ペア:

[(1, 2890133120), (2, 1445066560), (4, 722533280), (5, 578026624), (7, 412876160), (8, 361266640), (10, 289013312), (14, 206438080), (16, 180633320), (20, 144506656), (28, 103219040), (32, 90316660), (35, 82575232), (40, 72253328), (56, 51609520), (64, 45158330), (70, 41287616), (80, 36126664), (112, 25804760), (128, 22579165), (140, 20643808), (160, 18063332), (224, 12902380), (280, 10321904), (320, 9031666), (331, 8731520), (448, 6451190), (560, 5160952), (640, 4515833), (662, 4365760), (896, 3225595), (1120, 2580476), (1324, 2182880), (1655, 1746304), (1949, 1482880), (2240, 1290238), (2317, 1247360), (2648, 1091440), (3310, 873152), (3898, 741440), (4480, 645119), (4634, 623680), (5296, 545720), (6620, 436576), (7796, 370720), (9268, 311840), (9745, 296576), (10592, 272860), (11585, 249472), (13240, 218288), (13643, 211840), (15592, 185360), (18536, 155920), (19490, 148288), (21184, 136430), (23170, 124736), (26480, 109144), (27286, 105920), (31184, 92680), (37072, 77960), (38980, 74144), (42368, 68215), (46340, 62368), (52960, 54572)]