28955760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 97708032

約数和(自身を除く): 68752272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 47, 48, 51, 60, 68, 80, 85, 94, 102, 120, 136, 141, 151, 170, 188, 204, 235, 240, 255, 272, 282, 302, 340, 376, 408, 453, 470, 510, 564, 604, 680, 705, 752, 755, 799, 816, 906, 940, 1020, 1128, 1208, 1360, 1410, 1510, 1598, 1812, 1880, 2040, 2256, 2265, 2397, 2416, 2567, 2820, 3020, 3196, 3624, 3760, 3995, 4080, 4530, 4794, 5134, 5640, 6040, 6392, 7097, 7248, 7701, 7990, 9060, 9588, 10268, 11280, 11985, 12080, 12784, 12835, 14194, 15402, 15980, 18120, 19176, 20536, 21291, 23970, 25670, 28388, 30804, 31960, 35485, 36240, 38352, 38505, 41072, 42582, 47940, 51340, 56776, 61608, 63920, 70970, 77010, 85164, 95880, 102680, 106455, 113552, 120649, 123216, 141940, 154020, 170328, 191760, 205360, 212910, 241298, 283880, 308040, 340656, 361947, 425820, 482596, 567760, 603245, 616080, 723894, 851640, 965192, 1206490, 1447788, 1703280, 1809735, 1930384, 2412980, 2895576, 3619470, 4825960, 5791152, 7238940, 9651920, 14477880, 28955760]

約数ペア:

[(1, 28955760), (2, 14477880), (3, 9651920), (4, 7238940), (5, 5791152), (6, 4825960), (8, 3619470), (10, 2895576), (12, 2412980), (15, 1930384), (16, 1809735), (17, 1703280), (20, 1447788), (24, 1206490), (30, 965192), (34, 851640), (40, 723894), (47, 616080), (48, 603245), (51, 567760), (60, 482596), (68, 425820), (80, 361947), (85, 340656), (94, 308040), (102, 283880), (120, 241298), (136, 212910), (141, 205360), (151, 191760), (170, 170328), (188, 154020), (204, 141940), (235, 123216), (240, 120649), (255, 113552), (272, 106455), (282, 102680), (302, 95880), (340, 85164), (376, 77010), (408, 70970), (453, 63920), (470, 61608), (510, 56776), (564, 51340), (604, 47940), (680, 42582), (705, 41072), (752, 38505), (755, 38352), (799, 36240), (816, 35485), (906, 31960), (940, 30804), (1020, 28388), (1128, 25670), (1208, 23970), (1360, 21291), (1410, 20536), (1510, 19176), (1598, 18120), (1812, 15980), (1880, 15402), (2040, 14194), (2256, 12835), (2265, 12784), (2397, 12080), (2416, 11985), (2567, 11280), (2820, 10268), (3020, 9588), (3196, 9060), (3624, 7990), (3760, 7701), (3995, 7248), (4080, 7097), (4530, 6392), (4794, 6040), (5134, 5640)]