40270440

素因数分解:

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

素因数の和:463

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 99075480

約数列:

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

約数ペア:

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