19752979680

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{653207}}^1$

素因数の和:653238

約数の個数: 192

約数和(自身を含む): 79012039680

約数和(自身を除く): 59259060000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 653207, 1306414, 1959621, 2612828, 3266035, 3919242, 4572449, 5225656, 5878863, 6532070, 7838484, 9144898, 9798105, 10451312, 11757726, 13064140, 13717347, 15676968, 17636589, 18289796, 19596210, 20902624, 22862245, 23515452, 26128280, 27434694, 29394315, 31353936, 35273178, 36579592, 39192420, 41152041, 45724490, 47030904, 52256560, 54869388, 58788630, 62707872, 68586735, 70546356, 73159184, 78384840, 82304082, 88182945, 91448980, 94061808, 104513120, 109738776, 117577260, 123456123, 137173470, 141092712, 146318368, 156769680, 164608164, 176365890, 182897960, 188123616, 205760205, 219477552, 235154520, 246912246, 274346940, 282185424, 313539360, 329216328, 352731780, 365795920, 411520410, 438955104, 470309040, 493824492, 548693880, 564370848, 617280615, 658432656, 705463560, 731591840, 823040820, 940618080, 987648984, 1097387760, 1234561230, 1316865312, 1410927120, 1646081640, 1975297968, 2194775520, 2469122460, 2821854240, 3292163280, 3950595936, 4938244920, 6584326560, 9876489840, 19752979680]

約数ペア:

[(1, 19752979680), (2, 9876489840), (3, 6584326560), (4, 4938244920), (5, 3950595936), (6, 3292163280), (7, 2821854240), (8, 2469122460), (9, 2194775520), (10, 1975297968), (12, 1646081640), (14, 1410927120), (15, 1316865312), (16, 1234561230), (18, 1097387760), (20, 987648984), (21, 940618080), (24, 823040820), (27, 731591840), (28, 705463560), (30, 658432656), (32, 617280615), (35, 564370848), (36, 548693880), (40, 493824492), (42, 470309040), (45, 438955104), (48, 411520410), (54, 365795920), (56, 352731780), (60, 329216328), (63, 313539360), (70, 282185424), (72, 274346940), (80, 246912246), (84, 235154520), (90, 219477552), (96, 205760205), (105, 188123616), (108, 182897960), (112, 176365890), (120, 164608164), (126, 156769680), (135, 146318368), (140, 141092712), (144, 137173470), (160, 123456123), (168, 117577260), (180, 109738776), (189, 104513120), (210, 94061808), (216, 91448980), (224, 88182945), (240, 82304082), (252, 78384840), (270, 73159184), (280, 70546356), (288, 68586735), (315, 62707872), (336, 58788630), (360, 54869388), (378, 52256560), (420, 47030904), (432, 45724490), (480, 41152041), (504, 39192420), (540, 36579592), (560, 35273178), (630, 31353936), (672, 29394315), (720, 27434694), (756, 26128280), (840, 23515452), (864, 22862245), (945, 20902624), (1008, 19596210), (1080, 18289796), (1120, 17636589), (1260, 15676968), (1440, 13717347), (1512, 13064140), (1680, 11757726), (1890, 10451312), (2016, 9798105), (2160, 9144898), (2520, 7838484), (3024, 6532070), (3360, 5878863), (3780, 5225656), (4320, 4572449), (5040, 3919242), (6048, 3266035), (7560, 2612828), (10080, 1959621), (15120, 1306414), (30240, 653207)]