204716560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 160

約数和(自身を含む): 531965952

約数和(自身を除く): 327249392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 37, 40, 46, 62, 74, 80, 92, 97, 115, 124, 148, 155, 184, 185, 194, 230, 248, 296, 310, 368, 370, 388, 460, 485, 496, 592, 620, 713, 740, 776, 851, 920, 970, 1147, 1240, 1426, 1480, 1552, 1702, 1840, 1940, 2231, 2294, 2480, 2852, 2960, 3007, 3404, 3565, 3589, 3880, 4255, 4462, 4588, 5704, 5735, 6014, 6808, 7130, 7178, 7760, 8510, 8924, 9176, 11155, 11408, 11470, 12028, 13616, 14260, 14356, 15035, 17020, 17848, 17945, 18352, 22310, 22940, 24056, 26381, 28520, 28712, 30070, 34040, 35696, 35890, 44620, 45880, 48112, 52762, 57040, 57424, 60140, 68080, 69161, 71780, 82547, 89240, 91760, 105524, 111259, 120280, 131905, 138322, 143560, 165094, 178480, 211048, 222518, 240560, 263810, 276644, 287120, 330188, 345805, 412735, 422096, 445036, 527620, 553288, 556295, 660376, 691610, 825470, 890072, 1055240, 1106576, 1112590, 1320752, 1383220, 1650940, 1780144, 2110480, 2225180, 2558957, 2766440, 3301880, 4450360, 5117914, 5532880, 6603760, 8900720, 10235828, 12794785, 20471656, 25589570, 40943312, 51179140, 102358280, 204716560]

約数ペア:

[(1, 204716560), (2, 102358280), (4, 51179140), (5, 40943312), (8, 25589570), (10, 20471656), (16, 12794785), (20, 10235828), (23, 8900720), (31, 6603760), (37, 5532880), (40, 5117914), (46, 4450360), (62, 3301880), (74, 2766440), (80, 2558957), (92, 2225180), (97, 2110480), (115, 1780144), (124, 1650940), (148, 1383220), (155, 1320752), (184, 1112590), (185, 1106576), (194, 1055240), (230, 890072), (248, 825470), (296, 691610), (310, 660376), (368, 556295), (370, 553288), (388, 527620), (460, 445036), (485, 422096), (496, 412735), (592, 345805), (620, 330188), (713, 287120), (740, 276644), (776, 263810), (851, 240560), (920, 222518), (970, 211048), (1147, 178480), (1240, 165094), (1426, 143560), (1480, 138322), (1552, 131905), (1702, 120280), (1840, 111259), (1940, 105524), (2231, 91760), (2294, 89240), (2480, 82547), (2852, 71780), (2960, 69161), (3007, 68080), (3404, 60140), (3565, 57424), (3589, 57040), (3880, 52762), (4255, 48112), (4462, 45880), (4588, 44620), (5704, 35890), (5735, 35696), (6014, 34040), (6808, 30070), (7130, 28712), (7178, 28520), (7760, 26381), (8510, 24056), (8924, 22940), (9176, 22310), (11155, 18352), (11408, 17945), (11470, 17848), (12028, 17020), (13616, 15035), (14260, 14356)]