1721602980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{10639}}^1$

素因数の和:10714

約数の個数: 144

約数和(自身を含む): 5577062400

約数和(自身を除く): 3855459420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 174, 180, 186, 261, 279, 290, 310, 348, 372, 435, 465, 522, 558, 580, 620, 870, 899, 930, 1044, 1116, 1305, 1395, 1740, 1798, 1860, 2610, 2697, 2790, 3596, 4495, 5220, 5394, 5580, 8091, 8990, 10639, 10788, 13485, 16182, 17980, 21278, 26970, 31917, 32364, 40455, 42556, 53195, 53940, 63834, 80910, 95751, 106390, 127668, 159585, 161820, 191502, 212780, 308531, 319170, 329809, 383004, 478755, 617062, 638340, 659618, 925593, 957510, 989427, 1234124, 1319236, 1542655, 1649045, 1851186, 1915020, 1978854, 2776779, 2968281, 3085310, 3298090, 3702372, 3957708, 4627965, 4947135, 5553558, 5936562, 6170620, 6596180, 9255930, 9564461, 9894270, 11107116, 11873124, 13883895, 14841405, 18511860, 19128922, 19788540, 27767790, 28693383, 29682810, 38257844, 47822305, 55535580, 57386766, 59365620, 86080149, 95644610, 114773532, 143466915, 172160298, 191289220, 286933830, 344320596, 430400745, 573867660, 860801490, 1721602980]

約数ペア:

[(1, 1721602980), (2, 860801490), (3, 573867660), (4, 430400745), (5, 344320596), (6, 286933830), (9, 191289220), (10, 172160298), (12, 143466915), (15, 114773532), (18, 95644610), (20, 86080149), (29, 59365620), (30, 57386766), (31, 55535580), (36, 47822305), (45, 38257844), (58, 29682810), (60, 28693383), (62, 27767790), (87, 19788540), (90, 19128922), (93, 18511860), (116, 14841405), (124, 13883895), (145, 11873124), (155, 11107116), (174, 9894270), (180, 9564461), (186, 9255930), (261, 6596180), (279, 6170620), (290, 5936562), (310, 5553558), (348, 4947135), (372, 4627965), (435, 3957708), (465, 3702372), (522, 3298090), (558, 3085310), (580, 2968281), (620, 2776779), (870, 1978854), (899, 1915020), (930, 1851186), (1044, 1649045), (1116, 1542655), (1305, 1319236), (1395, 1234124), (1740, 989427), (1798, 957510), (1860, 925593), (2610, 659618), (2697, 638340), (2790, 617062), (3596, 478755), (4495, 383004), (5220, 329809), (5394, 319170), (5580, 308531), (8091, 212780), (8990, 191502), (10639, 161820), (10788, 159585), (13485, 127668), (16182, 106390), (17980, 95751), (21278, 80910), (26970, 63834), (31917, 53940), (32364, 53195), (40455, 42556)]