128638048

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 347493888

約数和(自身を除く): 218855840

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 37, 44, 56, 68, 74, 77, 83, 88, 112, 119, 136, 148, 154, 166, 176, 187, 224, 238, 259, 272, 296, 308, 332, 352, 374, 407, 476, 518, 544, 581, 592, 616, 629, 664, 748, 814, 913, 952, 1036, 1162, 1184, 1232, 1258, 1309, 1328, 1411, 1496, 1628, 1826, 1904, 2072, 2324, 2464, 2516, 2618, 2656, 2822, 2849, 2992, 3071, 3256, 3652, 3808, 4144, 4403, 4648, 5032, 5236, 5644, 5698, 5984, 6142, 6391, 6512, 6919, 7304, 8288, 8806, 9296, 9877, 10064, 10472, 11288, 11396, 12284, 12782, 13024, 13838, 14608, 15521, 17612, 18592, 19754, 20128, 20944, 21497, 22576, 22792, 24568, 25564, 27676, 29216, 31042, 33781, 35224, 39508, 41888, 42994, 45152, 45584, 48433, 49136, 51128, 52207, 55352, 62084, 67562, 70448, 79016, 85988, 91168, 96866, 98272, 102256, 104414, 108647, 110704, 124168, 135124, 140896, 158032, 171976, 193732, 204512, 208828, 217294, 221408, 236467, 248336, 270248, 316064, 343952, 365449, 387464, 417656, 434588, 472934, 496672, 540496, 574277, 687904, 730898, 774928, 835312, 869176, 945868, 1080992, 1148554, 1461796, 1549856, 1670624, 1738352, 1891736, 2297108, 2923592, 3476704, 3783472, 4019939, 4594216, 5847184, 7566944, 8039878, 9188432, 11694368, 16079756, 18376864, 32159512, 64319024, 128638048]

約数ペア:

[(1, 128638048), (2, 64319024), (4, 32159512), (7, 18376864), (8, 16079756), (11, 11694368), (14, 9188432), (16, 8039878), (17, 7566944), (22, 5847184), (28, 4594216), (32, 4019939), (34, 3783472), (37, 3476704), (44, 2923592), (56, 2297108), (68, 1891736), (74, 1738352), (77, 1670624), (83, 1549856), (88, 1461796), (112, 1148554), (119, 1080992), (136, 945868), (148, 869176), (154, 835312), (166, 774928), (176, 730898), (187, 687904), (224, 574277), (238, 540496), (259, 496672), (272, 472934), (296, 434588), (308, 417656), (332, 387464), (352, 365449), (374, 343952), (407, 316064), (476, 270248), (518, 248336), (544, 236467), (581, 221408), (592, 217294), (616, 208828), (629, 204512), (664, 193732), (748, 171976), (814, 158032), (913, 140896), (952, 135124), (1036, 124168), (1162, 110704), (1184, 108647), (1232, 104414), (1258, 102256), (1309, 98272), (1328, 96866), (1411, 91168), (1496, 85988), (1628, 79016), (1826, 70448), (1904, 67562), (2072, 62084), (2324, 55352), (2464, 52207), (2516, 51128), (2618, 49136), (2656, 48433), (2822, 45584), (2849, 45152), (2992, 42994), (3071, 41888), (3256, 39508), (3652, 35224), (3808, 33781), (4144, 31042), (4403, 29216), (4648, 27676), (5032, 25564), (5236, 24568), (5644, 22792), (5698, 22576), (5984, 21497), (6142, 20944), (6391, 20128), (6512, 19754), (6919, 18592), (7304, 17612), (8288, 15521), (8806, 14608), (9296, 13838), (9877, 13024), (10064, 12782), (10472, 12284), (11288, 11396)]