80412640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 192

約数和(自身を含む): 242984448

約数和(自身を除く): 162571808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 61, 70, 77, 80, 88, 107, 110, 112, 122, 140, 154, 160, 176, 214, 220, 224, 244, 280, 305, 308, 352, 385, 427, 428, 440, 488, 535, 560, 610, 616, 671, 749, 770, 854, 856, 880, 976, 1070, 1120, 1177, 1220, 1232, 1342, 1498, 1540, 1708, 1712, 1760, 1952, 2135, 2140, 2354, 2440, 2464, 2684, 2996, 3080, 3355, 3416, 3424, 3745, 4270, 4280, 4697, 4708, 4880, 5368, 5885, 5992, 6160, 6527, 6710, 6832, 7490, 8239, 8540, 8560, 9394, 9416, 9760, 10736, 11770, 11984, 12320, 13054, 13420, 13664, 14980, 16478, 17080, 17120, 18788, 18832, 21472, 23485, 23540, 23968, 26108, 26840, 29960, 32635, 32956, 34160, 37576, 37664, 41195, 45689, 46970, 47080, 52216, 53680, 59920, 65270, 65912, 68320, 71797, 75152, 82390, 91378, 93940, 94160, 104432, 107360, 119840, 130540, 131824, 143594, 150304, 164780, 182756, 187880, 188320, 208864, 228445, 261080, 263648, 287188, 329560, 358985, 365512, 375760, 456890, 502579, 522160, 574376, 659120, 717970, 731024, 751520, 913780, 1005158, 1044320, 1148752, 1318240, 1435940, 1462048, 1827560, 2010316, 2297504, 2512895, 2871880, 3655120, 4020632, 5025790, 5743760, 7310240, 8041264, 10051580, 11487520, 16082528, 20103160, 40206320, 80412640]

約数ペア:

[(1, 80412640), (2, 40206320), (4, 20103160), (5, 16082528), (7, 11487520), (8, 10051580), (10, 8041264), (11, 7310240), (14, 5743760), (16, 5025790), (20, 4020632), (22, 3655120), (28, 2871880), (32, 2512895), (35, 2297504), (40, 2010316), (44, 1827560), (55, 1462048), (56, 1435940), (61, 1318240), (70, 1148752), (77, 1044320), (80, 1005158), (88, 913780), (107, 751520), (110, 731024), (112, 717970), (122, 659120), (140, 574376), (154, 522160), (160, 502579), (176, 456890), (214, 375760), (220, 365512), (224, 358985), (244, 329560), (280, 287188), (305, 263648), (308, 261080), (352, 228445), (385, 208864), (427, 188320), (428, 187880), (440, 182756), (488, 164780), (535, 150304), (560, 143594), (610, 131824), (616, 130540), (671, 119840), (749, 107360), (770, 104432), (854, 94160), (856, 93940), (880, 91378), (976, 82390), (1070, 75152), (1120, 71797), (1177, 68320), (1220, 65912), (1232, 65270), (1342, 59920), (1498, 53680), (1540, 52216), (1708, 47080), (1712, 46970), (1760, 45689), (1952, 41195), (2135, 37664), (2140, 37576), (2354, 34160), (2440, 32956), (2464, 32635), (2684, 29960), (2996, 26840), (3080, 26108), (3355, 23968), (3416, 23540), (3424, 23485), (3745, 21472), (4270, 18832), (4280, 18788), (4697, 17120), (4708, 17080), (4880, 16478), (5368, 14980), (5885, 13664), (5992, 13420), (6160, 13054), (6527, 12320), (6710, 11984), (6832, 11770), (7490, 10736), (8239, 9760), (8540, 9416), (8560, 9394)]