79942800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 240

約数和(自身を含む): 303091712

約数和(自身を除く): 223148912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 48, 50, 56, 60, 62, 70, 75, 80, 84, 93, 100, 105, 112, 120, 124, 140, 150, 155, 168, 175, 186, 200, 210, 217, 240, 248, 280, 300, 307, 310, 336, 350, 372, 400, 420, 434, 465, 496, 525, 560, 600, 614, 620, 651, 700, 744, 775, 840, 868, 921, 930, 1050, 1085, 1200, 1228, 1240, 1302, 1400, 1488, 1535, 1550, 1680, 1736, 1842, 1860, 2100, 2149, 2170, 2325, 2456, 2480, 2604, 2800, 3070, 3100, 3255, 3472, 3684, 3720, 4200, 4298, 4340, 4605, 4650, 4912, 5208, 5425, 6140, 6200, 6447, 6510, 7368, 7440, 7675, 8400, 8596, 8680, 9210, 9300, 9517, 10416, 10745, 10850, 12280, 12400, 12894, 13020, 14736, 15350, 16275, 17192, 17360, 18420, 18600, 19034, 21490, 21700, 23025, 24560, 25788, 26040, 28551, 30700, 32235, 32550, 34384, 36840, 37200, 38068, 42980, 43400, 46050, 47585, 51576, 52080, 53725, 57102, 61400, 64470, 65100, 66619, 73680, 76136, 85960, 86800, 92100, 95170, 103152, 107450, 114204, 122800, 128940, 130200, 133238, 142755, 152272, 161175, 171920, 184200, 190340, 199857, 214900, 228408, 237925, 257880, 260400, 266476, 285510, 322350, 333095, 368400, 380680, 399714, 429800, 456816, 475850, 515760, 532952, 571020, 644700, 666190, 713775, 761360, 799428, 859600, 951700, 999285, 1065904, 1142040, 1289400, 1332380, 1427550, 1598856, 1665475, 1903400, 1998570, 2284080, 2578800, 2664760, 2855100, 3197712, 3330950, 3806800, 3997140, 4996425, 5329520, 5710200, 6661900, 7994280, 9992850, 11420400, 13323800, 15988560, 19985700, 26647600, 39971400, 79942800]

約数ペア:

[(1, 79942800), (2, 39971400), (3, 26647600), (4, 19985700), (5, 15988560), (6, 13323800), (7, 11420400), (8, 9992850), (10, 7994280), (12, 6661900), (14, 5710200), (15, 5329520), (16, 4996425), (20, 3997140), (21, 3806800), (24, 3330950), (25, 3197712), (28, 2855100), (30, 2664760), (31, 2578800), (35, 2284080), (40, 1998570), (42, 1903400), (48, 1665475), (50, 1598856), (56, 1427550), (60, 1332380), (62, 1289400), (70, 1142040), (75, 1065904), (80, 999285), (84, 951700), (93, 859600), (100, 799428), (105, 761360), (112, 713775), (120, 666190), (124, 644700), (140, 571020), (150, 532952), (155, 515760), (168, 475850), (175, 456816), (186, 429800), (200, 399714), (210, 380680), (217, 368400), (240, 333095), (248, 322350), (280, 285510), (300, 266476), (307, 260400), (310, 257880), (336, 237925), (350, 228408), (372, 214900), (400, 199857), (420, 190340), (434, 184200), (465, 171920), (496, 161175), (525, 152272), (560, 142755), (600, 133238), (614, 130200), (620, 128940), (651, 122800), (700, 114204), (744, 107450), (775, 103152), (840, 95170), (868, 92100), (921, 86800), (930, 85960), (1050, 76136), (1085, 73680), (1200, 66619), (1228, 65100), (1240, 64470), (1302, 61400), (1400, 57102), (1488, 53725), (1535, 52080), (1550, 51576), (1680, 47585), (1736, 46050), (1842, 43400), (1860, 42980), (2100, 38068), (2149, 37200), (2170, 36840), (2325, 34384), (2456, 32550), (2480, 32235), (2604, 30700), (2800, 28551), (3070, 26040), (3100, 25788), (3255, 24560), (3472, 23025), (3684, 21700), (3720, 21490), (4200, 19034), (4298, 18600), (4340, 18420), (4605, 17360), (4650, 17192), (4912, 16275), (5208, 15350), (5425, 14736), (6140, 13020), (6200, 12894), (6447, 12400), (6510, 12280), (7368, 10850), (7440, 10745), (7675, 10416), (8400, 9517), (8596, 9300), (8680, 9210)]