278519328

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2213}}^1$

素因数の和:2271

約数の個数: 144

約数和(自身を含む): 870367680

約数和(自身を除く): 591848352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 32, 36, 38, 46, 48, 57, 69, 72, 76, 92, 96, 114, 138, 144, 152, 171, 184, 207, 228, 276, 288, 304, 342, 368, 414, 437, 456, 552, 608, 684, 736, 828, 874, 912, 1104, 1311, 1368, 1656, 1748, 1824, 2208, 2213, 2622, 2736, 3312, 3496, 3933, 4426, 5244, 5472, 6624, 6639, 6992, 7866, 8852, 10488, 13278, 13984, 15732, 17704, 19917, 20976, 26556, 31464, 35408, 39834, 41952, 42047, 50899, 53112, 62928, 70816, 79668, 84094, 101798, 106224, 125856, 126141, 152697, 159336, 168188, 203596, 212448, 252282, 305394, 318672, 336376, 378423, 407192, 458091, 504564, 610788, 637344, 672752, 756846, 814384, 916182, 967081, 1009128, 1221576, 1345504, 1513692, 1628768, 1832364, 1934162, 2018256, 2443152, 2901243, 3027384, 3664728, 3868324, 4036512, 4886304, 5802486, 6054768, 7329456, 7736648, 8703729, 11604972, 12109536, 14658912, 15473296, 17407458, 23209944, 30946592, 34814916, 46419888, 69629832, 92839776, 139259664, 278519328]

約数ペア:

[(1, 278519328), (2, 139259664), (3, 92839776), (4, 69629832), (6, 46419888), (8, 34814916), (9, 30946592), (12, 23209944), (16, 17407458), (18, 15473296), (19, 14658912), (23, 12109536), (24, 11604972), (32, 8703729), (36, 7736648), (38, 7329456), (46, 6054768), (48, 5802486), (57, 4886304), (69, 4036512), (72, 3868324), (76, 3664728), (92, 3027384), (96, 2901243), (114, 2443152), (138, 2018256), (144, 1934162), (152, 1832364), (171, 1628768), (184, 1513692), (207, 1345504), (228, 1221576), (276, 1009128), (288, 967081), (304, 916182), (342, 814384), (368, 756846), (414, 672752), (437, 637344), (456, 610788), (552, 504564), (608, 458091), (684, 407192), (736, 378423), (828, 336376), (874, 318672), (912, 305394), (1104, 252282), (1311, 212448), (1368, 203596), (1656, 168188), (1748, 159336), (1824, 152697), (2208, 126141), (2213, 125856), (2622, 106224), (2736, 101798), (3312, 84094), (3496, 79668), (3933, 70816), (4426, 62928), (5244, 53112), (5472, 50899), (6624, 42047), (6639, 41952), (6992, 39834), (7866, 35408), (8852, 31464), (10488, 26556), (13278, 20976), (13984, 19917), (15732, 17704)]