80540880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:465

約数の個数: 160

約数和(自身を含む): 287981568

約数和(自身を除く): 207440688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 191, 210, 240, 251, 280, 336, 382, 420, 502, 560, 573, 753, 764, 840, 955, 1004, 1146, 1255, 1337, 1506, 1528, 1680, 1757, 1910, 2008, 2292, 2510, 2674, 2865, 3012, 3056, 3514, 3765, 3820, 4011, 4016, 4584, 5020, 5271, 5348, 5730, 6024, 6685, 7028, 7530, 7640, 8022, 8785, 9168, 10040, 10542, 10696, 11460, 12048, 13370, 14056, 15060, 15280, 16044, 17570, 20055, 20080, 21084, 21392, 22920, 26355, 26740, 28112, 30120, 32088, 35140, 40110, 42168, 45840, 47941, 52710, 53480, 60240, 64176, 70280, 80220, 84336, 95882, 105420, 106960, 140560, 143823, 160440, 191764, 210840, 239705, 287646, 320880, 335587, 383528, 421680, 479410, 575292, 671174, 719115, 767056, 958820, 1006761, 1150584, 1342348, 1438230, 1677935, 1917640, 2013522, 2301168, 2684696, 2876460, 3355870, 3835280, 4027044, 5033805, 5369392, 5752920, 6711740, 8054088, 10067610, 11505840, 13423480, 16108176, 20135220, 26846960, 40270440, 80540880]

約数ペア:

[(1, 80540880), (2, 40270440), (3, 26846960), (4, 20135220), (5, 16108176), (6, 13423480), (7, 11505840), (8, 10067610), (10, 8054088), (12, 6711740), (14, 5752920), (15, 5369392), (16, 5033805), (20, 4027044), (21, 3835280), (24, 3355870), (28, 2876460), (30, 2684696), (35, 2301168), (40, 2013522), (42, 1917640), (48, 1677935), (56, 1438230), (60, 1342348), (70, 1150584), (80, 1006761), (84, 958820), (105, 767056), (112, 719115), (120, 671174), (140, 575292), (168, 479410), (191, 421680), (210, 383528), (240, 335587), (251, 320880), (280, 287646), (336, 239705), (382, 210840), (420, 191764), (502, 160440), (560, 143823), (573, 140560), (753, 106960), (764, 105420), (840, 95882), (955, 84336), (1004, 80220), (1146, 70280), (1255, 64176), (1337, 60240), (1506, 53480), (1528, 52710), (1680, 47941), (1757, 45840), (1910, 42168), (2008, 40110), (2292, 35140), (2510, 32088), (2674, 30120), (2865, 28112), (3012, 26740), (3056, 26355), (3514, 22920), (3765, 21392), (3820, 21084), (4011, 20080), (4016, 20055), (4584, 17570), (5020, 16044), (5271, 15280), (5348, 15060), (5730, 14056), (6024, 13370), (6685, 12048), (7028, 11460), (7530, 10696), (7640, 10542), (8022, 10040), (8785, 9168)]