640887456

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26387}}^1$

素因数の和:26434

約数の個数: 96

約数和(自身を含む): 1915135488

約数和(自身を除く): 1274248032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 66, 69, 88, 92, 96, 132, 138, 176, 184, 253, 264, 276, 352, 368, 506, 528, 552, 736, 759, 1012, 1056, 1104, 1518, 2024, 2208, 3036, 4048, 6072, 8096, 12144, 24288, 26387, 52774, 79161, 105548, 158322, 211096, 290257, 316644, 422192, 580514, 606901, 633288, 844384, 870771, 1161028, 1213802, 1266576, 1741542, 1820703, 2322056, 2427604, 2533152, 3483084, 3641406, 4644112, 4855208, 6675911, 6966168, 7282812, 9288224, 9710416, 13351822, 13932336, 14565624, 19420832, 20027733, 26703644, 27864672, 29131248, 40055466, 53407288, 58262496, 80110932, 106814576, 160221864, 213629152, 320443728, 640887456]

約数ペア:

[(1, 640887456), (2, 320443728), (3, 213629152), (4, 160221864), (6, 106814576), (8, 80110932), (11, 58262496), (12, 53407288), (16, 40055466), (22, 29131248), (23, 27864672), (24, 26703644), (32, 20027733), (33, 19420832), (44, 14565624), (46, 13932336), (48, 13351822), (66, 9710416), (69, 9288224), (88, 7282812), (92, 6966168), (96, 6675911), (132, 4855208), (138, 4644112), (176, 3641406), (184, 3483084), (253, 2533152), (264, 2427604), (276, 2322056), (352, 1820703), (368, 1741542), (506, 1266576), (528, 1213802), (552, 1161028), (736, 870771), (759, 844384), (1012, 633288), (1056, 606901), (1104, 580514), (1518, 422192), (2024, 316644), (2208, 290257), (3036, 211096), (4048, 158322), (6072, 105548), (8096, 79161), (12144, 52774), (24288, 26387)]