1297891520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:515

約数の個数: 224

約数和(自身を含む): 3571646400

約数和(自身を除く): 2273754880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 32, 34, 38, 40, 58, 64, 68, 76, 80, 85, 95, 116, 136, 145, 152, 160, 170, 190, 232, 272, 290, 304, 320, 323, 340, 380, 433, 464, 493, 544, 551, 580, 608, 646, 680, 760, 866, 928, 986, 1088, 1102, 1160, 1216, 1292, 1360, 1520, 1615, 1732, 1856, 1972, 2165, 2204, 2320, 2465, 2584, 2720, 2755, 3040, 3230, 3464, 3944, 4330, 4408, 4640, 4930, 5168, 5440, 5510, 6080, 6460, 6928, 7361, 7888, 8227, 8660, 8816, 9280, 9367, 9860, 10336, 11020, 12557, 12920, 13856, 14722, 15776, 16454, 17320, 17632, 18734, 19720, 20672, 22040, 25114, 25840, 27712, 29444, 31552, 32908, 34640, 35264, 36805, 37468, 39440, 41135, 44080, 46835, 50228, 51680, 58888, 62785, 65816, 69280, 73610, 74936, 78880, 82270, 88160, 93670, 100456, 103360, 117776, 125570, 131632, 138560, 139859, 147220, 149872, 157760, 164540, 176320, 187340, 200912, 213469, 235552, 238583, 251140, 263264, 279718, 294440, 299744, 329080, 374680, 401824, 426938, 471104, 477166, 502280, 526528, 559436, 588880, 599488, 658160, 699295, 749360, 803648, 853876, 954332, 1004560, 1067345, 1118872, 1177760, 1192915, 1316320, 1398590, 1498720, 1707752, 1908664, 2009120, 2134690, 2237744, 2355520, 2385830, 2632640, 2797180, 2997440, 3415504, 3817328, 4018240, 4055911, 4269380, 4475488, 4771660, 5594360, 6831008, 7634656, 8111822, 8538760, 8950976, 9543320, 11188720, 13662016, 15269312, 16223644, 17077520, 19086640, 20279555, 22377440, 32447288, 34155040, 38173280, 40559110, 44754880, 64894576, 68310080, 76346560, 81118220, 129789152, 162236440, 259578304, 324472880, 648945760, 1297891520]

約数ペア:

[(1, 1297891520), (2, 648945760), (4, 324472880), (5, 259578304), (8, 162236440), (10, 129789152), (16, 81118220), (17, 76346560), (19, 68310080), (20, 64894576), (29, 44754880), (32, 40559110), (34, 38173280), (38, 34155040), (40, 32447288), (58, 22377440), (64, 20279555), (68, 19086640), (76, 17077520), (80, 16223644), (85, 15269312), (95, 13662016), (116, 11188720), (136, 9543320), (145, 8950976), (152, 8538760), (160, 8111822), (170, 7634656), (190, 6831008), (232, 5594360), (272, 4771660), (290, 4475488), (304, 4269380), (320, 4055911), (323, 4018240), (340, 3817328), (380, 3415504), (433, 2997440), (464, 2797180), (493, 2632640), (544, 2385830), (551, 2355520), (580, 2237744), (608, 2134690), (646, 2009120), (680, 1908664), (760, 1707752), (866, 1498720), (928, 1398590), (986, 1316320), (1088, 1192915), (1102, 1177760), (1160, 1118872), (1216, 1067345), (1292, 1004560), (1360, 954332), (1520, 853876), (1615, 803648), (1732, 749360), (1856, 699295), (1972, 658160), (2165, 599488), (2204, 588880), (2320, 559436), (2465, 526528), (2584, 502280), (2720, 477166), (2755, 471104), (3040, 426938), (3230, 401824), (3464, 374680), (3944, 329080), (4330, 299744), (4408, 294440), (4640, 279718), (4930, 263264), (5168, 251140), (5440, 238583), (5510, 235552), (6080, 213469), (6460, 200912), (6928, 187340), (7361, 176320), (7888, 164540), (8227, 157760), (8660, 149872), (8816, 147220), (9280, 139859), (9367, 138560), (9860, 131632), (10336, 125570), (11020, 117776), (12557, 103360), (12920, 100456), (13856, 93670), (14722, 88160), (15776, 82270), (16454, 78880), (17320, 74936), (17632, 73610), (18734, 69280), (19720, 65816), (20672, 62785), (22040, 58888), (25114, 51680), (25840, 50228), (27712, 46835), (29444, 44080), (31552, 41135), (32908, 39440), (34640, 37468), (35264, 36805)]