279876240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{7933}}^1$

素因数の和:7966

約数の個数: 180

約数和(自身を含む): 1093511484

約数和(自身を除く): 813635244

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 7933, 8820, 11760, 15866, 17640, 23799, 31732, 35280, 39665, 47598, 55531, 63464, 71397, 79330, 95196, 111062, 118995, 126928, 142794, 158660, 166593, 190392, 222124, 237990, 277655, 285588, 317320, 333186, 356985, 380784, 388717, 444248, 475980, 499779, 555310, 571176, 634640, 666372, 713970, 777434, 832965, 888496, 951960, 999558, 1110620, 1142352, 1166151, 1332744, 1427940, 1554868, 1665930, 1903920, 1943585, 1999116, 2221240, 2332302, 2498895, 2665488, 2855880, 3109736, 3331860, 3498453, 3887170, 3998232, 4442480, 4664604, 4997790, 5711760, 5830755, 6219472, 6663720, 6996906, 7774340, 7996464, 9329208, 9995580, 11661510, 13327440, 13993812, 15548680, 17492265, 18658416, 19991160, 23323020, 27987624, 31097360, 34984530, 39982320, 46646040, 55975248, 69969060, 93292080, 139938120, 279876240]

約数ペア:

[(1, 279876240), (2, 139938120), (3, 93292080), (4, 69969060), (5, 55975248), (6, 46646040), (7, 39982320), (8, 34984530), (9, 31097360), (10, 27987624), (12, 23323020), (14, 19991160), (15, 18658416), (16, 17492265), (18, 15548680), (20, 13993812), (21, 13327440), (24, 11661510), (28, 9995580), (30, 9329208), (35, 7996464), (36, 7774340), (40, 6996906), (42, 6663720), (45, 6219472), (48, 5830755), (49, 5711760), (56, 4997790), (60, 4664604), (63, 4442480), (70, 3998232), (72, 3887170), (80, 3498453), (84, 3331860), (90, 3109736), (98, 2855880), (105, 2665488), (112, 2498895), (120, 2332302), (126, 2221240), (140, 1999116), (144, 1943585), (147, 1903920), (168, 1665930), (180, 1554868), (196, 1427940), (210, 1332744), (240, 1166151), (245, 1142352), (252, 1110620), (280, 999558), (294, 951960), (315, 888496), (336, 832965), (360, 777434), (392, 713970), (420, 666372), (441, 634640), (490, 571176), (504, 555310), (560, 499779), (588, 475980), (630, 444248), (720, 388717), (735, 380784), (784, 356985), (840, 333186), (882, 317320), (980, 285588), (1008, 277655), (1176, 237990), (1260, 222124), (1470, 190392), (1680, 166593), (1764, 158660), (1960, 142794), (2205, 126928), (2352, 118995), (2520, 111062), (2940, 95196), (3528, 79330), (3920, 71397), (4410, 63464), (5040, 55531), (5880, 47598), (7056, 39665), (7933, 35280), (8820, 31732), (11760, 23799), (15866, 17640)]