256450848

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 761177088

約数和(自身を除く): 504726240

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 32, 34, 37, 48, 51, 62, 68, 74, 93, 96, 102, 111, 124, 136, 137, 148, 186, 204, 222, 248, 272, 274, 296, 372, 408, 411, 444, 496, 527, 544, 548, 592, 629, 744, 816, 822, 888, 992, 1054, 1096, 1147, 1184, 1258, 1488, 1581, 1632, 1644, 1776, 1887, 2108, 2192, 2294, 2329, 2516, 2976, 3162, 3288, 3441, 3552, 3774, 4216, 4247, 4384, 4588, 4658, 5032, 5069, 6324, 6576, 6882, 6987, 7548, 8432, 8494, 9176, 9316, 10064, 10138, 12648, 12741, 13152, 13764, 13974, 15096, 15207, 16864, 16988, 18352, 18632, 19499, 20128, 20276, 25296, 25482, 27528, 27948, 30192, 30414, 33976, 36704, 37264, 38998, 40552, 50592, 50964, 55056, 55896, 58497, 60384, 60828, 67952, 72199, 74528, 77996, 81104, 86173, 101928, 110112, 111792, 116994, 121656, 135904, 144398, 155992, 157139, 162208, 172346, 203856, 216597, 223584, 233988, 243312, 258519, 288796, 311984, 314278, 344692, 407712, 433194, 467976, 471417, 486624, 517038, 577592, 623968, 628556, 689384, 866388, 935952, 942834, 1034076, 1155184, 1257112, 1378768, 1732776, 1871904, 1885668, 2068152, 2310368, 2514224, 2671363, 2757536, 3465552, 3771336, 4136304, 5028448, 5342726, 6931104, 7542672, 8014089, 8272608, 10685452, 15085344, 16028178, 21370904, 32056356, 42741808, 64112712, 85483616, 128225424, 256450848]

約数ペア:

[(1, 256450848), (2, 128225424), (3, 85483616), (4, 64112712), (6, 42741808), (8, 32056356), (12, 21370904), (16, 16028178), (17, 15085344), (24, 10685452), (31, 8272608), (32, 8014089), (34, 7542672), (37, 6931104), (48, 5342726), (51, 5028448), (62, 4136304), (68, 3771336), (74, 3465552), (93, 2757536), (96, 2671363), (102, 2514224), (111, 2310368), (124, 2068152), (136, 1885668), (137, 1871904), (148, 1732776), (186, 1378768), (204, 1257112), (222, 1155184), (248, 1034076), (272, 942834), (274, 935952), (296, 866388), (372, 689384), (408, 628556), (411, 623968), (444, 577592), (496, 517038), (527, 486624), (544, 471417), (548, 467976), (592, 433194), (629, 407712), (744, 344692), (816, 314278), (822, 311984), (888, 288796), (992, 258519), (1054, 243312), (1096, 233988), (1147, 223584), (1184, 216597), (1258, 203856), (1488, 172346), (1581, 162208), (1632, 157139), (1644, 155992), (1776, 144398), (1887, 135904), (2108, 121656), (2192, 116994), (2294, 111792), (2329, 110112), (2516, 101928), (2976, 86173), (3162, 81104), (3288, 77996), (3441, 74528), (3552, 72199), (3774, 67952), (4216, 60828), (4247, 60384), (4384, 58497), (4588, 55896), (4658, 55056), (5032, 50964), (5069, 50592), (6324, 40552), (6576, 38998), (6882, 37264), (6987, 36704), (7548, 33976), (8432, 30414), (8494, 30192), (9176, 27948), (9316, 27528), (10064, 25482), (10138, 25296), (12648, 20276), (12741, 20128), (13152, 19499), (13764, 18632), (13974, 18352), (15096, 16988), (15207, 16864)]