646560320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16979}}^1$

素因数の和:17020

約数の個数: 112

約数和(自身を含む): 1863181440

約数和(自身を除く): 1216621120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 544, 560, 595, 680, 952, 1088, 1120, 1190, 1360, 1904, 2240, 2380, 2720, 3808, 4760, 5440, 7616, 9520, 16979, 19040, 33958, 38080, 67916, 84895, 118853, 135832, 169790, 237706, 271664, 288643, 339580, 475412, 543328, 577286, 594265, 679160, 950824, 1086656, 1154572, 1188530, 1358320, 1443215, 1901648, 2020501, 2309144, 2377060, 2716640, 2886430, 3803296, 4041002, 4618288, 4754120, 5433280, 5772860, 7606592, 8082004, 9236576, 9508240, 10102505, 11545720, 16164008, 18473152, 19016480, 20205010, 23091440, 32328016, 38032960, 40410020, 46182880, 64656032, 80820040, 92365760, 129312064, 161640080, 323280160, 646560320]

約数ペア:

[(1, 646560320), (2, 323280160), (4, 161640080), (5, 129312064), (7, 92365760), (8, 80820040), (10, 64656032), (14, 46182880), (16, 40410020), (17, 38032960), (20, 32328016), (28, 23091440), (32, 20205010), (34, 19016480), (35, 18473152), (40, 16164008), (56, 11545720), (64, 10102505), (68, 9508240), (70, 9236576), (80, 8082004), (85, 7606592), (112, 5772860), (119, 5433280), (136, 4754120), (140, 4618288), (160, 4041002), (170, 3803296), (224, 2886430), (238, 2716640), (272, 2377060), (280, 2309144), (320, 2020501), (340, 1901648), (448, 1443215), (476, 1358320), (544, 1188530), (560, 1154572), (595, 1086656), (680, 950824), (952, 679160), (1088, 594265), (1120, 577286), (1190, 543328), (1360, 475412), (1904, 339580), (2240, 288643), (2380, 271664), (2720, 237706), (3808, 169790), (4760, 135832), (5440, 118853), (7616, 84895), (9520, 67916), (16979, 38080), (19040, 33958)]