18600720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 62995968

約数和(自身を除く): 44395248

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, 97, 102, 120, 136, 141, 170, 188, 194, 204, 235, 240, 255, 272, 282, 291, 340, 376, 388, 408, 470, 485, 510, 564, 582, 680, 705, 752, 776, 799, 816, 940, 970, 1020, 1128, 1164, 1360, 1410, 1455, 1552, 1598, 1649, 1880, 1940, 2040, 2256, 2328, 2397, 2820, 2910, 3196, 3298, 3760, 3880, 3995, 4080, 4559, 4656, 4794, 4947, 5640, 5820, 6392, 6596, 7760, 7990, 8245, 9118, 9588, 9894, 11280, 11640, 11985, 12784, 13192, 13677, 15980, 16490, 18236, 19176, 19788, 22795, 23280, 23970, 24735, 26384, 27354, 31960, 32980, 36472, 38352, 39576, 45590, 47940, 49470, 54708, 63920, 65960, 68385, 72944, 77503, 79152, 91180, 95880, 98940, 109416, 131920, 136770, 155006, 182360, 191760, 197880, 218832, 232509, 273540, 310012, 364720, 387515, 395760, 465018, 547080, 620024, 775030, 930036, 1094160, 1162545, 1240048, 1550060, 1860072, 2325090, 3100120, 3720144, 4650180, 6200240, 9300360, 18600720]

約数ペア:

[(1, 18600720), (2, 9300360), (3, 6200240), (4, 4650180), (5, 3720144), (6, 3100120), (8, 2325090), (10, 1860072), (12, 1550060), (15, 1240048), (16, 1162545), (17, 1094160), (20, 930036), (24, 775030), (30, 620024), (34, 547080), (40, 465018), (47, 395760), (48, 387515), (51, 364720), (60, 310012), (68, 273540), (80, 232509), (85, 218832), (94, 197880), (97, 191760), (102, 182360), (120, 155006), (136, 136770), (141, 131920), (170, 109416), (188, 98940), (194, 95880), (204, 91180), (235, 79152), (240, 77503), (255, 72944), (272, 68385), (282, 65960), (291, 63920), (340, 54708), (376, 49470), (388, 47940), (408, 45590), (470, 39576), (485, 38352), (510, 36472), (564, 32980), (582, 31960), (680, 27354), (705, 26384), (752, 24735), (776, 23970), (799, 23280), (816, 22795), (940, 19788), (970, 19176), (1020, 18236), (1128, 16490), (1164, 15980), (1360, 13677), (1410, 13192), (1455, 12784), (1552, 11985), (1598, 11640), (1649, 11280), (1880, 9894), (1940, 9588), (2040, 9118), (2256, 8245), (2328, 7990), (2397, 7760), (2820, 6596), (2910, 6392), (3196, 5820), (3298, 5640), (3760, 4947), (3880, 4794), (3995, 4656), (4080, 4559)]