72521680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 214771968

約数和(自身を除く): 142250288

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 80, 88, 110, 112, 122, 140, 154, 176, 193, 220, 244, 280, 305, 308, 385, 386, 427, 440, 488, 560, 610, 616, 671, 770, 772, 854, 880, 965, 976, 1220, 1232, 1342, 1351, 1540, 1544, 1708, 1930, 2123, 2135, 2440, 2684, 2702, 3080, 3088, 3355, 3416, 3860, 4246, 4270, 4697, 4880, 5368, 5404, 6160, 6710, 6755, 6832, 7720, 8492, 8540, 9394, 10615, 10736, 10808, 11773, 13420, 13510, 14861, 15440, 16984, 17080, 18788, 21230, 21616, 23485, 23546, 26840, 27020, 29722, 33968, 34160, 37576, 42460, 46970, 47092, 53680, 54040, 58865, 59444, 74305, 75152, 82411, 84920, 93940, 94184, 108080, 117730, 118888, 129503, 148610, 164822, 169840, 187880, 188368, 235460, 237776, 259006, 297220, 329644, 375760, 412055, 470920, 518012, 594440, 647515, 659288, 824110, 906521, 941840, 1036024, 1188880, 1295030, 1318576, 1648220, 1813042, 2072048, 2590060, 3296440, 3626084, 4532605, 5180120, 6592880, 7252168, 9065210, 10360240, 14504336, 18130420, 36260840, 72521680]

約数ペア:

[(1, 72521680), (2, 36260840), (4, 18130420), (5, 14504336), (7, 10360240), (8, 9065210), (10, 7252168), (11, 6592880), (14, 5180120), (16, 4532605), (20, 3626084), (22, 3296440), (28, 2590060), (35, 2072048), (40, 1813042), (44, 1648220), (55, 1318576), (56, 1295030), (61, 1188880), (70, 1036024), (77, 941840), (80, 906521), (88, 824110), (110, 659288), (112, 647515), (122, 594440), (140, 518012), (154, 470920), (176, 412055), (193, 375760), (220, 329644), (244, 297220), (280, 259006), (305, 237776), (308, 235460), (385, 188368), (386, 187880), (427, 169840), (440, 164822), (488, 148610), (560, 129503), (610, 118888), (616, 117730), (671, 108080), (770, 94184), (772, 93940), (854, 84920), (880, 82411), (965, 75152), (976, 74305), (1220, 59444), (1232, 58865), (1342, 54040), (1351, 53680), (1540, 47092), (1544, 46970), (1708, 42460), (1930, 37576), (2123, 34160), (2135, 33968), (2440, 29722), (2684, 27020), (2702, 26840), (3080, 23546), (3088, 23485), (3355, 21616), (3416, 21230), (3860, 18788), (4246, 17080), (4270, 16984), (4697, 15440), (4880, 14861), (5368, 13510), (5404, 13420), (6160, 11773), (6710, 10808), (6755, 10736), (6832, 10615), (7720, 9394), (8492, 8540)]