1285318656

素因数分解:

$2^{11}\times 3^2\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 3746679300

約数和(自身を除く): 2461360644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 137, 144, 192, 256, 274, 288, 384, 411, 509, 512, 548, 576, 768, 822, 1018, 1024, 1096, 1152, 1233, 1527, 1536, 1644, 2036, 2048, 2192, 2304, 2466, 3054, 3072, 3288, 4072, 4384, 4581, 4608, 4932, 6108, 6144, 6576, 8144, 8768, 9162, 9216, 9864, 12216, 13152, 16288, 17536, 18324, 18432, 19728, 24432, 26304, 32576, 35072, 36648, 39456, 48864, 52608, 65152, 69733, 70144, 73296, 78912, 97728, 105216, 130304, 139466, 140288, 146592, 157824, 195456, 209199, 210432, 260608, 278932, 280576, 293184, 315648, 390912, 418398, 420864, 521216, 557864, 586368, 627597, 631296, 781824, 836796, 841728, 1042432, 1115728, 1172736, 1255194, 1262592, 1563648, 1673592, 2231456, 2345472, 2510388, 2525184, 3127296, 3347184, 4462912, 4690944, 5020776, 6694368, 8925824, 9381888, 10041552, 13388736, 17851648, 20083104, 26777472, 35703296, 40166208, 53554944, 71406592, 80332416, 107109888, 142813184, 160664832, 214219776, 321329664, 428439552, 642659328, 1285318656]

約数ペア:

[(1, 1285318656), (2, 642659328), (3, 428439552), (4, 321329664), (6, 214219776), (8, 160664832), (9, 142813184), (12, 107109888), (16, 80332416), (18, 71406592), (24, 53554944), (32, 40166208), (36, 35703296), (48, 26777472), (64, 20083104), (72, 17851648), (96, 13388736), (128, 10041552), (137, 9381888), (144, 8925824), (192, 6694368), (256, 5020776), (274, 4690944), (288, 4462912), (384, 3347184), (411, 3127296), (509, 2525184), (512, 2510388), (548, 2345472), (576, 2231456), (768, 1673592), (822, 1563648), (1018, 1262592), (1024, 1255194), (1096, 1172736), (1152, 1115728), (1233, 1042432), (1527, 841728), (1536, 836796), (1644, 781824), (2036, 631296), (2048, 627597), (2192, 586368), (2304, 557864), (2466, 521216), (3054, 420864), (3072, 418398), (3288, 390912), (4072, 315648), (4384, 293184), (4581, 280576), (4608, 278932), (4932, 260608), (6108, 210432), (6144, 209199), (6576, 195456), (8144, 157824), (8768, 146592), (9162, 140288), (9216, 139466), (9864, 130304), (12216, 105216), (13152, 97728), (16288, 78912), (17536, 73296), (18324, 70144), (18432, 69733), (19728, 65152), (24432, 52608), (26304, 48864), (32576, 39456), (35072, 36648)]