278297712

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1372

約数の個数: 240

約数和(自身を含む): 1022910720

約数和(自身を除く): 744613008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 19, 21, 22, 24, 28, 33, 36, 38, 42, 44, 48, 56, 57, 63, 66, 72, 76, 77, 84, 88, 99, 112, 114, 126, 132, 133, 144, 152, 154, 168, 171, 176, 198, 209, 228, 231, 252, 264, 266, 304, 308, 336, 342, 396, 399, 418, 456, 462, 504, 528, 532, 616, 627, 684, 693, 792, 798, 836, 912, 924, 1008, 1064, 1197, 1232, 1254, 1321, 1368, 1386, 1463, 1584, 1596, 1672, 1848, 1881, 2128, 2394, 2508, 2642, 2736, 2772, 2926, 3192, 3344, 3696, 3762, 3963, 4389, 4788, 5016, 5284, 5544, 5852, 6384, 7524, 7926, 8778, 9247, 9576, 10032, 10568, 11088, 11704, 11889, 13167, 14531, 15048, 15852, 17556, 18494, 19152, 21136, 23408, 23778, 25099, 26334, 27741, 29062, 30096, 31704, 35112, 36988, 43593, 47556, 50198, 52668, 55482, 58124, 63408, 70224, 73976, 75297, 83223, 87186, 95112, 100396, 101717, 105336, 110964, 116248, 130779, 147952, 150594, 166446, 174372, 175693, 190224, 200792, 203434, 210672, 221928, 225891, 232496, 261558, 276089, 301188, 305151, 332892, 348744, 351386, 401584, 406868, 443856, 451782, 523116, 527079, 552178, 602376, 610302, 665784, 697488, 702772, 813736, 828267, 903564, 915453, 1046232, 1054158, 1104356, 1204752, 1220604, 1331568, 1405544, 1581237, 1627472, 1656534, 1807128, 1830906, 1932623, 2092464, 2108316, 2208712, 2441208, 2484801, 2811088, 3162474, 3313068, 3614256, 3661812, 3865246, 4216632, 4417424, 4882416, 4969602, 5797869, 6324948, 6626136, 7323624, 7730492, 8433264, 9939204, 11595738, 12649896, 13252272, 14647248, 15460984, 17393607, 19878408, 23191476, 25299792, 30921968, 34787214, 39756816, 46382952, 69574428, 92765904, 139148856, 278297712]

約数ペア:

[(1, 278297712), (2, 139148856), (3, 92765904), (4, 69574428), (6, 46382952), (7, 39756816), (8, 34787214), (9, 30921968), (11, 25299792), (12, 23191476), (14, 19878408), (16, 17393607), (18, 15460984), (19, 14647248), (21, 13252272), (22, 12649896), (24, 11595738), (28, 9939204), (33, 8433264), (36, 7730492), (38, 7323624), (42, 6626136), (44, 6324948), (48, 5797869), (56, 4969602), (57, 4882416), (63, 4417424), (66, 4216632), (72, 3865246), (76, 3661812), (77, 3614256), (84, 3313068), (88, 3162474), (99, 2811088), (112, 2484801), (114, 2441208), (126, 2208712), (132, 2108316), (133, 2092464), (144, 1932623), (152, 1830906), (154, 1807128), (168, 1656534), (171, 1627472), (176, 1581237), (198, 1405544), (209, 1331568), (228, 1220604), (231, 1204752), (252, 1104356), (264, 1054158), (266, 1046232), (304, 915453), (308, 903564), (336, 828267), (342, 813736), (396, 702772), (399, 697488), (418, 665784), (456, 610302), (462, 602376), (504, 552178), (528, 527079), (532, 523116), (616, 451782), (627, 443856), (684, 406868), (693, 401584), (792, 351386), (798, 348744), (836, 332892), (912, 305151), (924, 301188), (1008, 276089), (1064, 261558), (1197, 232496), (1232, 225891), (1254, 221928), (1321, 210672), (1368, 203434), (1386, 200792), (1463, 190224), (1584, 175693), (1596, 174372), (1672, 166446), (1848, 150594), (1881, 147952), (2128, 130779), (2394, 116248), (2508, 110964), (2642, 105336), (2736, 101717), (2772, 100396), (2926, 95112), (3192, 87186), (3344, 83223), (3696, 75297), (3762, 73976), (3963, 70224), (4389, 63408), (4788, 58124), (5016, 55482), (5284, 52668), (5544, 50198), (5852, 47556), (6384, 43593), (7524, 36988), (7926, 35112), (8778, 31704), (9247, 30096), (9576, 29062), (10032, 27741), (10568, 26334), (11088, 25099), (11704, 23778), (11889, 23408), (13167, 21136), (14531, 19152), (15048, 18494), (15852, 17556)]