80703420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 278691840

約数和(自身を除く): 197988420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 89, 102, 105, 119, 127, 140, 170, 178, 204, 210, 238, 254, 255, 267, 340, 356, 357, 381, 420, 445, 476, 508, 510, 534, 595, 623, 635, 714, 762, 889, 890, 1020, 1068, 1190, 1246, 1270, 1335, 1428, 1513, 1524, 1778, 1780, 1785, 1869, 1905, 2159, 2380, 2492, 2540, 2667, 2670, 3026, 3115, 3556, 3570, 3738, 3810, 4318, 4445, 4539, 5334, 5340, 6052, 6230, 6477, 7140, 7476, 7565, 7620, 8636, 8890, 9078, 9345, 10591, 10668, 10795, 11303, 12460, 12954, 13335, 15113, 15130, 17780, 18156, 18690, 21182, 21590, 22606, 22695, 25908, 26670, 30226, 30260, 31773, 32385, 33909, 37380, 42364, 43180, 45212, 45339, 45390, 52955, 53340, 56515, 60452, 63546, 64770, 67818, 75565, 79121, 90678, 90780, 105910, 113030, 127092, 129540, 135636, 151130, 158242, 158865, 169545, 181356, 192151, 211820, 226060, 226695, 237363, 302260, 316484, 317730, 339090, 384302, 395605, 453390, 474726, 576453, 635460, 678180, 768604, 791210, 906780, 949452, 960755, 1152906, 1186815, 1345057, 1582420, 1921510, 2305812, 2373630, 2690114, 2882265, 3843020, 4035171, 4747260, 5380228, 5764530, 6725285, 8070342, 11529060, 13450570, 16140684, 20175855, 26901140, 40351710, 80703420]

約数ペア:

[(1, 80703420), (2, 40351710), (3, 26901140), (4, 20175855), (5, 16140684), (6, 13450570), (7, 11529060), (10, 8070342), (12, 6725285), (14, 5764530), (15, 5380228), (17, 4747260), (20, 4035171), (21, 3843020), (28, 2882265), (30, 2690114), (34, 2373630), (35, 2305812), (42, 1921510), (51, 1582420), (60, 1345057), (68, 1186815), (70, 1152906), (84, 960755), (85, 949452), (89, 906780), (102, 791210), (105, 768604), (119, 678180), (127, 635460), (140, 576453), (170, 474726), (178, 453390), (204, 395605), (210, 384302), (238, 339090), (254, 317730), (255, 316484), (267, 302260), (340, 237363), (356, 226695), (357, 226060), (381, 211820), (420, 192151), (445, 181356), (476, 169545), (508, 158865), (510, 158242), (534, 151130), (595, 135636), (623, 129540), (635, 127092), (714, 113030), (762, 105910), (889, 90780), (890, 90678), (1020, 79121), (1068, 75565), (1190, 67818), (1246, 64770), (1270, 63546), (1335, 60452), (1428, 56515), (1513, 53340), (1524, 52955), (1778, 45390), (1780, 45339), (1785, 45212), (1869, 43180), (1905, 42364), (2159, 37380), (2380, 33909), (2492, 32385), (2540, 31773), (2667, 30260), (2670, 30226), (3026, 26670), (3115, 25908), (3556, 22695), (3570, 22606), (3738, 21590), (3810, 21182), (4318, 18690), (4445, 18156), (4539, 17780), (5334, 15130), (5340, 15113), (6052, 13335), (6230, 12954), (6477, 12460), (7140, 11303), (7476, 10795), (7565, 10668), (7620, 10591), (8636, 9345), (8890, 9078)]