1649074240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20369}}^1$

素因数の和:20420

約数の個数: 112

約数和(自身を含む): 4470318720

約数和(自身を除く): 2821244480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 704, 736, 880, 920, 1012, 1265, 1472, 1760, 1840, 2024, 2530, 3520, 3680, 4048, 5060, 7360, 8096, 10120, 16192, 20240, 20369, 40480, 40738, 80960, 81476, 101845, 162952, 203690, 224059, 325904, 407380, 448118, 468487, 651808, 814760, 896236, 936974, 1120295, 1303616, 1629520, 1792472, 1873948, 2240590, 2342435, 3259040, 3584944, 3747896, 4481180, 4684870, 5153357, 6518080, 7169888, 7495792, 8962360, 9369740, 10306714, 14339776, 14991584, 17924720, 18739480, 20613428, 25766785, 29983168, 35849440, 37478960, 41226856, 51533570, 71698880, 74957920, 82453712, 103067140, 149915840, 164907424, 206134280, 329814848, 412268560, 824537120, 1649074240]

約数ペア:

[(1, 1649074240), (2, 824537120), (4, 412268560), (5, 329814848), (8, 206134280), (10, 164907424), (11, 149915840), (16, 103067140), (20, 82453712), (22, 74957920), (23, 71698880), (32, 51533570), (40, 41226856), (44, 37478960), (46, 35849440), (55, 29983168), (64, 25766785), (80, 20613428), (88, 18739480), (92, 17924720), (110, 14991584), (115, 14339776), (160, 10306714), (176, 9369740), (184, 8962360), (220, 7495792), (230, 7169888), (253, 6518080), (320, 5153357), (352, 4684870), (368, 4481180), (440, 3747896), (460, 3584944), (506, 3259040), (704, 2342435), (736, 2240590), (880, 1873948), (920, 1792472), (1012, 1629520), (1265, 1303616), (1472, 1120295), (1760, 936974), (1840, 896236), (2024, 814760), (2530, 651808), (3520, 468487), (3680, 448118), (4048, 407380), (5060, 325904), (7360, 224059), (8096, 203690), (10120, 162952), (16192, 101845), (20240, 81476), (20369, 80960), (40480, 40738)]