19770440960

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{10601}}^1$

素因数の和:10700

約数の個数: 144

約数和(自身を含む): 49928804352

約数和(自身を除く): 30158363392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 155, 160, 188, 235, 248, 256, 310, 320, 376, 470, 496, 620, 640, 752, 940, 992, 1240, 1280, 1457, 1504, 1880, 1984, 2480, 2914, 3008, 3760, 3968, 4960, 5828, 6016, 7285, 7520, 7936, 9920, 10601, 11656, 12032, 14570, 15040, 19840, 21202, 23312, 29140, 30080, 39680, 42404, 46624, 53005, 58280, 60160, 84808, 93248, 106010, 116560, 169616, 186496, 212020, 233120, 328631, 339232, 372992, 424040, 466240, 498247, 657262, 678464, 848080, 932480, 996494, 1314524, 1356928, 1643155, 1696160, 1864960, 1992988, 2491235, 2629048, 2713856, 3286310, 3392320, 3985976, 4982470, 5258096, 6572620, 6784640, 7971952, 9964940, 10516192, 13145240, 13569280, 15445657, 15943904, 19929880, 21032384, 26290480, 30891314, 31887808, 39859760, 42064768, 52580960, 61782628, 63775616, 77228285, 79719520, 84129536, 105161920, 123565256, 127551232, 154456570, 159439040, 210323840, 247130512, 308913140, 318878080, 420647680, 494261024, 617826280, 637756160, 988522048, 1235652560, 1977044096, 2471305120, 3954088192, 4942610240, 9885220480, 19770440960]

約数ペア:

[(1, 19770440960), (2, 9885220480), (4, 4942610240), (5, 3954088192), (8, 2471305120), (10, 1977044096), (16, 1235652560), (20, 988522048), (31, 637756160), (32, 617826280), (40, 494261024), (47, 420647680), (62, 318878080), (64, 308913140), (80, 247130512), (94, 210323840), (124, 159439040), (128, 154456570), (155, 127551232), (160, 123565256), (188, 105161920), (235, 84129536), (248, 79719520), (256, 77228285), (310, 63775616), (320, 61782628), (376, 52580960), (470, 42064768), (496, 39859760), (620, 31887808), (640, 30891314), (752, 26290480), (940, 21032384), (992, 19929880), (1240, 15943904), (1280, 15445657), (1457, 13569280), (1504, 13145240), (1880, 10516192), (1984, 9964940), (2480, 7971952), (2914, 6784640), (3008, 6572620), (3760, 5258096), (3968, 4982470), (4960, 3985976), (5828, 3392320), (6016, 3286310), (7285, 2713856), (7520, 2629048), (7936, 2491235), (9920, 1992988), (10601, 1864960), (11656, 1696160), (12032, 1643155), (14570, 1356928), (15040, 1314524), (19840, 996494), (21202, 932480), (23312, 848080), (29140, 678464), (30080, 657262), (39680, 498247), (42404, 466240), (46624, 424040), (53005, 372992), (58280, 339232), (60160, 328631), (84808, 233120), (93248, 212020), (106010, 186496), (116560, 169616)]