17317131520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7487}}^1$

素因数の和:7660

約数の個数: 144

約数和(自身を含む): 44998087680

約数和(自身を除く): 27680956160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 139, 160, 208, 256, 260, 278, 320, 416, 520, 556, 640, 695, 832, 1040, 1112, 1280, 1390, 1664, 1807, 2080, 2224, 2780, 3328, 3614, 4160, 4448, 5560, 7228, 7487, 8320, 8896, 9035, 11120, 14456, 14974, 16640, 17792, 18070, 22240, 28912, 29948, 35584, 36140, 37435, 44480, 57824, 59896, 72280, 74870, 88960, 97331, 115648, 119792, 144560, 149740, 177920, 194662, 231296, 239584, 289120, 299480, 389324, 462592, 479168, 486655, 578240, 598960, 778648, 958336, 973310, 1040693, 1156480, 1197920, 1557296, 1916672, 1946620, 2081386, 2312960, 2395840, 3114592, 3893240, 4162772, 4791680, 5203465, 6229184, 7786480, 8325544, 9583360, 10406930, 12458368, 13529009, 15572960, 16651088, 20813860, 24916736, 27058018, 31145920, 33302176, 41627720, 54116036, 62291840, 66604352, 67645045, 83255440, 108232072, 124583680, 133208704, 135290090, 166510880, 216464144, 266417408, 270580180, 333021760, 432928288, 541160360, 666043520, 865856576, 1082320720, 1332087040, 1731713152, 2164641440, 3463426304, 4329282880, 8658565760, 17317131520]

約数ペア:

[(1, 17317131520), (2, 8658565760), (4, 4329282880), (5, 3463426304), (8, 2164641440), (10, 1731713152), (13, 1332087040), (16, 1082320720), (20, 865856576), (26, 666043520), (32, 541160360), (40, 432928288), (52, 333021760), (64, 270580180), (65, 266417408), (80, 216464144), (104, 166510880), (128, 135290090), (130, 133208704), (139, 124583680), (160, 108232072), (208, 83255440), (256, 67645045), (260, 66604352), (278, 62291840), (320, 54116036), (416, 41627720), (520, 33302176), (556, 31145920), (640, 27058018), (695, 24916736), (832, 20813860), (1040, 16651088), (1112, 15572960), (1280, 13529009), (1390, 12458368), (1664, 10406930), (1807, 9583360), (2080, 8325544), (2224, 7786480), (2780, 6229184), (3328, 5203465), (3614, 4791680), (4160, 4162772), (4448, 3893240), (5560, 3114592), (7228, 2395840), (7487, 2312960), (8320, 2081386), (8896, 1946620), (9035, 1916672), (11120, 1557296), (14456, 1197920), (14974, 1156480), (16640, 1040693), (17792, 973310), (18070, 958336), (22240, 778648), (28912, 598960), (29948, 578240), (35584, 486655), (36140, 479168), (37435, 462592), (44480, 389324), (57824, 299480), (59896, 289120), (72280, 239584), (74870, 231296), (88960, 194662), (97331, 177920), (115648, 149740), (119792, 144560)]