80342640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:884

約数の個数: 240

約数和(自身を含む): 324979200

約数和(自身を除く): 244636560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 839, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1678, 1680, 1710, 1995, 2128, 2280, 2394, 2517, 2520, 2660, 2736, 3192, 3356, 3420, 3990, 4195, 4560, 4788, 5034, 5040, 5320, 5873, 5985, 6384, 6712, 6840, 7551, 7980, 8390, 9576, 10068, 10640, 11746, 11970, 12585, 13424, 13680, 15102, 15941, 15960, 16780, 17619, 19152, 20136, 23492, 23940, 25170, 29365, 30204, 31882, 31920, 33560, 35238, 37755, 40272, 46984, 47823, 47880, 50340, 52857, 58730, 60408, 63764, 67120, 70476, 75510, 79705, 88095, 93968, 95646, 95760, 100680, 105714, 111587, 117460, 120816, 127528, 140952, 143469, 151020, 159410, 176190, 191292, 201360, 211428, 223174, 234920, 239115, 255056, 264285, 281904, 286938, 302040, 318820, 334761, 352380, 382584, 422856, 446348, 469840, 478230, 528570, 557935, 573876, 604080, 637640, 669522, 704760, 717345, 765168, 845712, 892696, 956460, 1004283, 1057140, 1115870, 1147752, 1275280, 1339044, 1409520, 1434690, 1673805, 1785392, 1912920, 2008566, 2114280, 2231740, 2295504, 2678088, 2869380, 3347610, 3825840, 4017132, 4228560, 4463480, 5021415, 5356176, 5738760, 6695220, 8034264, 8926960, 10042830, 11477520, 13390440, 16068528, 20085660, 26780880, 40171320, 80342640]

約数ペア:

[(1, 80342640), (2, 40171320), (3, 26780880), (4, 20085660), (5, 16068528), (6, 13390440), (7, 11477520), (8, 10042830), (9, 8926960), (10, 8034264), (12, 6695220), (14, 5738760), (15, 5356176), (16, 5021415), (18, 4463480), (19, 4228560), (20, 4017132), (21, 3825840), (24, 3347610), (28, 2869380), (30, 2678088), (35, 2295504), (36, 2231740), (38, 2114280), (40, 2008566), (42, 1912920), (45, 1785392), (48, 1673805), (56, 1434690), (57, 1409520), (60, 1339044), (63, 1275280), (70, 1147752), (72, 1115870), (76, 1057140), (80, 1004283), (84, 956460), (90, 892696), (95, 845712), (105, 765168), (112, 717345), (114, 704760), (120, 669522), (126, 637640), (133, 604080), (140, 573876), (144, 557935), (152, 528570), (168, 478230), (171, 469840), (180, 446348), (190, 422856), (210, 382584), (228, 352380), (240, 334761), (252, 318820), (266, 302040), (280, 286938), (285, 281904), (304, 264285), (315, 255056), (336, 239115), (342, 234920), (360, 223174), (380, 211428), (399, 201360), (420, 191292), (456, 176190), (504, 159410), (532, 151020), (560, 143469), (570, 140952), (630, 127528), (665, 120816), (684, 117460), (720, 111587), (760, 105714), (798, 100680), (839, 95760), (840, 95646), (855, 93968), (912, 88095), (1008, 79705), (1064, 75510), (1140, 70476), (1197, 67120), (1260, 63764), (1330, 60408), (1368, 58730), (1520, 52857), (1596, 50340), (1678, 47880), (1680, 47823), (1710, 46984), (1995, 40272), (2128, 37755), (2280, 35238), (2394, 33560), (2517, 31920), (2520, 31882), (2660, 30204), (2736, 29365), (3192, 25170), (3356, 23940), (3420, 23492), (3990, 20136), (4195, 19152), (4560, 17619), (4788, 16780), (5034, 15960), (5040, 15941), (5320, 15102), (5873, 13680), (5985, 13424), (6384, 12585), (6712, 11970), (6840, 11746), (7551, 10640), (7980, 10068), (8390, 9576)]