21011552640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280603}}^1$

素因数の和:280641

約数の個数: 192

約数和(自身を含む): 78136989840

約数和(自身を除く): 57125437200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5760, 6240, 7488, 8320, 9360, 12480, 14976, 18720, 24960, 37440, 74880, 280603, 561206, 841809, 1122412, 1403015, 1683618, 2244824, 2525427, 2806030, 3367236, 3647839, 4209045, 4489648, 5050854, 5612060, 6734472, 7295678, 8418090, 8979296, 10101708, 10943517, 11224120, 12627135, 13468944, 14591356, 16836180, 17958592, 18239195, 20203416, 21887034, 22448240, 25254270, 26937888, 29182712, 32830551, 33672360, 35917184, 36478390, 40406832, 43774068, 44896480, 50508540, 53875776, 54717585, 58365424, 65661102, 67344720, 72956780, 80813664, 87548136, 89792960, 101017080, 107751552, 109435170, 116730848, 131322204, 134689440, 145913560, 161627328, 164152755, 175096272, 179585920, 202034160, 218870340, 233461696, 262644408, 269378880, 291827120, 323254656, 328305510, 350192544, 404068320, 437740680, 466923392, 525288816, 538757760, 583654240, 656611020, 700385088, 808136640, 875481360, 1050577632, 1167308480, 1313222040, 1400770176, 1616273280, 1750962720, 2101155264, 2334616960, 2626444080, 3501925440, 4202310528, 5252888160, 7003850880, 10505776320, 21011552640]

約数ペア:

[(1, 21011552640), (2, 10505776320), (3, 7003850880), (4, 5252888160), (5, 4202310528), (6, 3501925440), (8, 2626444080), (9, 2334616960), (10, 2101155264), (12, 1750962720), (13, 1616273280), (15, 1400770176), (16, 1313222040), (18, 1167308480), (20, 1050577632), (24, 875481360), (26, 808136640), (30, 700385088), (32, 656611020), (36, 583654240), (39, 538757760), (40, 525288816), (45, 466923392), (48, 437740680), (52, 404068320), (60, 350192544), (64, 328305510), (65, 323254656), (72, 291827120), (78, 269378880), (80, 262644408), (90, 233461696), (96, 218870340), (104, 202034160), (117, 179585920), (120, 175096272), (128, 164152755), (130, 161627328), (144, 145913560), (156, 134689440), (160, 131322204), (180, 116730848), (192, 109435170), (195, 107751552), (208, 101017080), (234, 89792960), (240, 87548136), (260, 80813664), (288, 72956780), (312, 67344720), (320, 65661102), (360, 58365424), (384, 54717585), (390, 53875776), (416, 50508540), (468, 44896480), (480, 43774068), (520, 40406832), (576, 36478390), (585, 35917184), (624, 33672360), (640, 32830551), (720, 29182712), (780, 26937888), (832, 25254270), (936, 22448240), (960, 21887034), (1040, 20203416), (1152, 18239195), (1170, 17958592), (1248, 16836180), (1440, 14591356), (1560, 13468944), (1664, 12627135), (1872, 11224120), (1920, 10943517), (2080, 10101708), (2340, 8979296), (2496, 8418090), (2880, 7295678), (3120, 6734472), (3744, 5612060), (4160, 5050854), (4680, 4489648), (4992, 4209045), (5760, 3647839), (6240, 3367236), (7488, 2806030), (8320, 2525427), (9360, 2244824), (12480, 1683618), (14976, 1403015), (18720, 1122412), (24960, 841809), (37440, 561206), (74880, 280603)]