280747656

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:225

約数の個数: 288

約数和(自身を含む): 973140480

約数和(自身を除く): 692392824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 31, 34, 36, 42, 49, 51, 56, 62, 63, 68, 72, 84, 93, 98, 102, 119, 124, 126, 136, 147, 151, 153, 168, 186, 196, 204, 217, 238, 248, 252, 279, 294, 302, 306, 357, 372, 392, 408, 434, 441, 453, 476, 504, 527, 558, 588, 604, 612, 651, 714, 744, 833, 868, 882, 906, 952, 1054, 1057, 1071, 1116, 1176, 1208, 1224, 1302, 1359, 1428, 1519, 1581, 1666, 1736, 1764, 1812, 1953, 2108, 2114, 2142, 2232, 2499, 2567, 2604, 2718, 2856, 3038, 3162, 3171, 3332, 3528, 3624, 3689, 3906, 4216, 4228, 4284, 4557, 4681, 4743, 4998, 5134, 5208, 5436, 6076, 6324, 6342, 6664, 7378, 7399, 7497, 7701, 7812, 8456, 8568, 9114, 9362, 9486, 9513, 9996, 10268, 10872, 11067, 12152, 12648, 12684, 13671, 14043, 14756, 14798, 14994, 15402, 15624, 17969, 18228, 18724, 18972, 19026, 19992, 20536, 22134, 22197, 23103, 25368, 25823, 27342, 28086, 29512, 29596, 29988, 30804, 32767, 33201, 35938, 36456, 37448, 37944, 38052, 42129, 44268, 44394, 46206, 51646, 53907, 54684, 56172, 59192, 59976, 61608, 65534, 66402, 66591, 71876, 76104, 77469, 79577, 84258, 88536, 88788, 92412, 98301, 103292, 107814, 109368, 112344, 125783, 131068, 132804, 133182, 143752, 154938, 159154, 161721, 168516, 177576, 184824, 196602, 206584, 215628, 229369, 232407, 238731, 251566, 262136, 265608, 266364, 294903, 309876, 318308, 323442, 337032, 377349, 393204, 431256, 458738, 464814, 477462, 503132, 532728, 557039, 589806, 619752, 636616, 646884, 688107, 716193, 754698, 786408, 917476, 929628, 954924, 1006264, 1114078, 1132047, 1179612, 1293768, 1376214, 1432386, 1509396, 1671117, 1834952, 1859256, 1909848, 2064321, 2228156, 2264094, 2359224, 2752428, 2864772, 3018792, 3342234, 3899273, 4128642, 4456312, 4528188, 5013351, 5504856, 5729544, 6684468, 7798546, 8257284, 9056376, 10026702, 11697819, 13368936, 15597092, 16514568, 20053404, 23395638, 31194184, 35093457, 40106808, 46791276, 70186914, 93582552, 140373828, 280747656]

約数ペア:

[(1, 280747656), (2, 140373828), (3, 93582552), (4, 70186914), (6, 46791276), (7, 40106808), (8, 35093457), (9, 31194184), (12, 23395638), (14, 20053404), (17, 16514568), (18, 15597092), (21, 13368936), (24, 11697819), (28, 10026702), (31, 9056376), (34, 8257284), (36, 7798546), (42, 6684468), (49, 5729544), (51, 5504856), (56, 5013351), (62, 4528188), (63, 4456312), (68, 4128642), (72, 3899273), (84, 3342234), (93, 3018792), (98, 2864772), (102, 2752428), (119, 2359224), (124, 2264094), (126, 2228156), (136, 2064321), (147, 1909848), (151, 1859256), (153, 1834952), (168, 1671117), (186, 1509396), (196, 1432386), (204, 1376214), (217, 1293768), (238, 1179612), (248, 1132047), (252, 1114078), (279, 1006264), (294, 954924), (302, 929628), (306, 917476), (357, 786408), (372, 754698), (392, 716193), (408, 688107), (434, 646884), (441, 636616), (453, 619752), (476, 589806), (504, 557039), (527, 532728), (558, 503132), (588, 477462), (604, 464814), (612, 458738), (651, 431256), (714, 393204), (744, 377349), (833, 337032), (868, 323442), (882, 318308), (906, 309876), (952, 294903), (1054, 266364), (1057, 265608), (1071, 262136), (1116, 251566), (1176, 238731), (1208, 232407), (1224, 229369), (1302, 215628), (1359, 206584), (1428, 196602), (1519, 184824), (1581, 177576), (1666, 168516), (1736, 161721), (1764, 159154), (1812, 154938), (1953, 143752), (2108, 133182), (2114, 132804), (2142, 131068), (2232, 125783), (2499, 112344), (2567, 109368), (2604, 107814), (2718, 103292), (2856, 98301), (3038, 92412), (3162, 88788), (3171, 88536), (3332, 84258), (3528, 79577), (3624, 77469), (3689, 76104), (3906, 71876), (4216, 66591), (4228, 66402), (4284, 65534), (4557, 61608), (4681, 59976), (4743, 59192), (4998, 56172), (5134, 54684), (5208, 53907), (5436, 51646), (6076, 46206), (6324, 44394), (6342, 44268), (6664, 42129), (7378, 38052), (7399, 37944), (7497, 37448), (7701, 36456), (7812, 35938), (8456, 33201), (8568, 32767), (9114, 30804), (9362, 29988), (9486, 29596), (9513, 29512), (9996, 28086), (10268, 27342), (10872, 25823), (11067, 25368), (12152, 23103), (12648, 22197), (12684, 22134), (13671, 20536), (14043, 19992), (14756, 19026), (14798, 18972), (14994, 18724), (15402, 18228), (15624, 17969)]