80142080

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 211921920

約数和(自身を除く): 131779840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 127, 128, 136, 145, 160, 170, 232, 254, 256, 272, 290, 320, 340, 464, 493, 508, 544, 580, 635, 640, 680, 928, 986, 1016, 1088, 1160, 1270, 1280, 1360, 1856, 1972, 2032, 2159, 2176, 2320, 2465, 2540, 2720, 3683, 3712, 3944, 4064, 4318, 4352, 4640, 4930, 5080, 5440, 7366, 7424, 7888, 8128, 8636, 9280, 9860, 10160, 10795, 10880, 14732, 15776, 16256, 17272, 18415, 18560, 19720, 20320, 21590, 21760, 29464, 31552, 32512, 34544, 36830, 37120, 39440, 40640, 43180, 58928, 62611, 63104, 69088, 73660, 78880, 81280, 86360, 117856, 125222, 126208, 138176, 147320, 157760, 162560, 172720, 235712, 250444, 276352, 294640, 313055, 315520, 345440, 471424, 500888, 552704, 589280, 626110, 631040, 690880, 942848, 1001776, 1178560, 1252220, 1381760, 2003552, 2357120, 2504440, 2763520, 4007104, 4714240, 5008880, 8014208, 10017760, 16028416, 20035520, 40071040, 80142080]

約数ペア:

[(1, 80142080), (2, 40071040), (4, 20035520), (5, 16028416), (8, 10017760), (10, 8014208), (16, 5008880), (17, 4714240), (20, 4007104), (29, 2763520), (32, 2504440), (34, 2357120), (40, 2003552), (58, 1381760), (64, 1252220), (68, 1178560), (80, 1001776), (85, 942848), (116, 690880), (127, 631040), (128, 626110), (136, 589280), (145, 552704), (160, 500888), (170, 471424), (232, 345440), (254, 315520), (256, 313055), (272, 294640), (290, 276352), (320, 250444), (340, 235712), (464, 172720), (493, 162560), (508, 157760), (544, 147320), (580, 138176), (635, 126208), (640, 125222), (680, 117856), (928, 86360), (986, 81280), (1016, 78880), (1088, 73660), (1160, 69088), (1270, 63104), (1280, 62611), (1360, 58928), (1856, 43180), (1972, 40640), (2032, 39440), (2159, 37120), (2176, 36830), (2320, 34544), (2465, 32512), (2540, 31552), (2720, 29464), (3683, 21760), (3712, 21590), (3944, 20320), (4064, 19720), (4318, 18560), (4352, 18415), (4640, 17272), (4930, 16256), (5080, 15776), (5440, 14732), (7366, 10880), (7424, 10795), (7888, 10160), (8128, 9860), (8636, 9280)]