83370420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 291852288

約数和(自身を除く): 208481868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 127, 140, 180, 210, 252, 254, 315, 381, 420, 508, 521, 630, 635, 762, 889, 1042, 1143, 1260, 1270, 1524, 1563, 1778, 1905, 2084, 2286, 2540, 2605, 2667, 3126, 3556, 3647, 3810, 4445, 4572, 4689, 5210, 5334, 5715, 6252, 7294, 7620, 7815, 8001, 8890, 9378, 10420, 10668, 10941, 11430, 13335, 14588, 15630, 16002, 17780, 18235, 18756, 21882, 22860, 23445, 26670, 31260, 32004, 32823, 36470, 40005, 43764, 46890, 53340, 54705, 65646, 66167, 72940, 80010, 93780, 109410, 131292, 132334, 160020, 164115, 198501, 218820, 264668, 328230, 330835, 397002, 463169, 595503, 656460, 661670, 794004, 926338, 992505, 1191006, 1323340, 1389507, 1852676, 1985010, 2315845, 2382012, 2779014, 2977515, 3970020, 4168521, 4631690, 5558028, 5955030, 6947535, 8337042, 9263380, 11910060, 13895070, 16674084, 20842605, 27790140, 41685210, 83370420]

約数ペア:

[(1, 83370420), (2, 41685210), (3, 27790140), (4, 20842605), (5, 16674084), (6, 13895070), (7, 11910060), (9, 9263380), (10, 8337042), (12, 6947535), (14, 5955030), (15, 5558028), (18, 4631690), (20, 4168521), (21, 3970020), (28, 2977515), (30, 2779014), (35, 2382012), (36, 2315845), (42, 1985010), (45, 1852676), (60, 1389507), (63, 1323340), (70, 1191006), (84, 992505), (90, 926338), (105, 794004), (126, 661670), (127, 656460), (140, 595503), (180, 463169), (210, 397002), (252, 330835), (254, 328230), (315, 264668), (381, 218820), (420, 198501), (508, 164115), (521, 160020), (630, 132334), (635, 131292), (762, 109410), (889, 93780), (1042, 80010), (1143, 72940), (1260, 66167), (1270, 65646), (1524, 54705), (1563, 53340), (1778, 46890), (1905, 43764), (2084, 40005), (2286, 36470), (2540, 32823), (2605, 32004), (2667, 31260), (3126, 26670), (3556, 23445), (3647, 22860), (3810, 21882), (4445, 18756), (4572, 18235), (4689, 17780), (5210, 16002), (5334, 15630), (5715, 14588), (6252, 13335), (7294, 11430), (7620, 10941), (7815, 10668), (8001, 10420), (8890, 9378)]