668366720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{773}}^1$

素因数の和:992

約数の個数: 128

約数和(自身を含む): 1837909440

約数和(自身を除く): 1169542720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 193, 224, 280, 320, 386, 448, 560, 640, 772, 773, 896, 965, 1120, 1351, 1544, 1546, 1930, 2240, 2702, 3088, 3092, 3860, 3865, 4480, 5404, 5411, 6176, 6184, 6755, 7720, 7730, 10808, 10822, 12352, 12368, 13510, 15440, 15460, 21616, 21644, 24704, 24736, 27020, 27055, 30880, 30920, 43232, 43288, 49472, 54040, 54110, 61760, 61840, 86464, 86576, 98944, 108080, 108220, 123520, 123680, 149189, 172928, 173152, 216160, 216440, 247360, 298378, 346304, 432320, 432880, 494720, 596756, 692608, 745945, 864640, 865760, 1044323, 1193512, 1491890, 1731520, 2088646, 2387024, 2983780, 3463040, 4177292, 4774048, 5221615, 5967560, 8354584, 9548096, 10443230, 11935120, 16709168, 19096192, 20886460, 23870240, 33418336, 41772920, 47740480, 66836672, 83545840, 95480960, 133673344, 167091680, 334183360, 668366720]

約数ペア:

[(1, 668366720), (2, 334183360), (4, 167091680), (5, 133673344), (7, 95480960), (8, 83545840), (10, 66836672), (14, 47740480), (16, 41772920), (20, 33418336), (28, 23870240), (32, 20886460), (35, 19096192), (40, 16709168), (56, 11935120), (64, 10443230), (70, 9548096), (80, 8354584), (112, 5967560), (128, 5221615), (140, 4774048), (160, 4177292), (193, 3463040), (224, 2983780), (280, 2387024), (320, 2088646), (386, 1731520), (448, 1491890), (560, 1193512), (640, 1044323), (772, 865760), (773, 864640), (896, 745945), (965, 692608), (1120, 596756), (1351, 494720), (1544, 432880), (1546, 432320), (1930, 346304), (2240, 298378), (2702, 247360), (3088, 216440), (3092, 216160), (3860, 173152), (3865, 172928), (4480, 149189), (5404, 123680), (5411, 123520), (6176, 108220), (6184, 108080), (6755, 98944), (7720, 86576), (7730, 86464), (10808, 61840), (10822, 61760), (12352, 54110), (12368, 54040), (13510, 49472), (15440, 43288), (15460, 43232), (21616, 30920), (21644, 30880), (24704, 27055), (24736, 27020)]