280399392

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 216

約数和(自身を含む): 987989184

約数和(自身を除く): 707589792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 169, 182, 208, 224, 234, 252, 273, 288, 312, 336, 338, 364, 416, 468, 504, 507, 546, 624, 672, 676, 728, 819, 823, 936, 1008, 1014, 1092, 1183, 1248, 1352, 1456, 1521, 1638, 1646, 1872, 2016, 2028, 2184, 2366, 2469, 2704, 2912, 3042, 3276, 3292, 3549, 3744, 4056, 4368, 4732, 4938, 5408, 5761, 6084, 6552, 6584, 7098, 7407, 8112, 8736, 9464, 9876, 10647, 10699, 11522, 12168, 13104, 13168, 14196, 14814, 16224, 17283, 18928, 19752, 21294, 21398, 23044, 24336, 26208, 26336, 28392, 29628, 32097, 34566, 37856, 39504, 42588, 42796, 46088, 48672, 51849, 56784, 59256, 64194, 69132, 74893, 79008, 85176, 85592, 92176, 96291, 103698, 113568, 118512, 128388, 138264, 139087, 149786, 170352, 171184, 184352, 192582, 207396, 224679, 237024, 256776, 276528, 278174, 299572, 340704, 342368, 385164, 414792, 417261, 449358, 513552, 553056, 556348, 599144, 674037, 770328, 829584, 834522, 898716, 973609, 1027104, 1112696, 1198288, 1251783, 1348074, 1540656, 1659168, 1669044, 1797432, 1947218, 2225392, 2396576, 2503566, 2696148, 2920827, 3081312, 3338088, 3594864, 3894436, 4450784, 5007132, 5392296, 5841654, 6676176, 7189728, 7788872, 8762481, 10014264, 10784592, 11683308, 13352352, 15577744, 17524962, 20028528, 21569184, 23366616, 31155488, 35049924, 40057056, 46733232, 70099848, 93466464, 140199696, 280399392]

約数ペア:

[(1, 280399392), (2, 140199696), (3, 93466464), (4, 70099848), (6, 46733232), (7, 40057056), (8, 35049924), (9, 31155488), (12, 23366616), (13, 21569184), (14, 20028528), (16, 17524962), (18, 15577744), (21, 13352352), (24, 11683308), (26, 10784592), (28, 10014264), (32, 8762481), (36, 7788872), (39, 7189728), (42, 6676176), (48, 5841654), (52, 5392296), (56, 5007132), (63, 4450784), (72, 3894436), (78, 3594864), (84, 3338088), (91, 3081312), (96, 2920827), (104, 2696148), (112, 2503566), (117, 2396576), (126, 2225392), (144, 1947218), (156, 1797432), (168, 1669044), (169, 1659168), (182, 1540656), (208, 1348074), (224, 1251783), (234, 1198288), (252, 1112696), (273, 1027104), (288, 973609), (312, 898716), (336, 834522), (338, 829584), (364, 770328), (416, 674037), (468, 599144), (504, 556348), (507, 553056), (546, 513552), (624, 449358), (672, 417261), (676, 414792), (728, 385164), (819, 342368), (823, 340704), (936, 299572), (1008, 278174), (1014, 276528), (1092, 256776), (1183, 237024), (1248, 224679), (1352, 207396), (1456, 192582), (1521, 184352), (1638, 171184), (1646, 170352), (1872, 149786), (2016, 139087), (2028, 138264), (2184, 128388), (2366, 118512), (2469, 113568), (2704, 103698), (2912, 96291), (3042, 92176), (3276, 85592), (3292, 85176), (3549, 79008), (3744, 74893), (4056, 69132), (4368, 64194), (4732, 59256), (4938, 56784), (5408, 51849), (5761, 48672), (6084, 46088), (6552, 42796), (6584, 42588), (7098, 39504), (7407, 37856), (8112, 34566), (8736, 32097), (9464, 29628), (9876, 28392), (10647, 26336), (10699, 26208), (11522, 24336), (12168, 23044), (13104, 21398), (13168, 21294), (14196, 19752), (14814, 18928), (16224, 17283)]