78891120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1423}}^1$

素因数の和:1460

約数の個数: 240

約数和(自身を含む): 330550272

約数和(自身を除く): 251659152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1423, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 2846, 3080, 3465, 3696, 3960, 4269, 4620, 5040, 5544, 5692, 6160, 6930, 7115, 7920, 8538, 9240, 9961, 11088, 11384, 12807, 13860, 14230, 15653, 17076, 18480, 19922, 21345, 22768, 25614, 27720, 28460, 29883, 31306, 34152, 39844, 42690, 46959, 49805, 51228, 55440, 56920, 59766, 62612, 64035, 68304, 78265, 79688, 85380, 89649, 93918, 99610, 102456, 109571, 113840, 119532, 125224, 128070, 140877, 149415, 156530, 159376, 170760, 179298, 187836, 199220, 204912, 219142, 234795, 239064, 250448, 256140, 281754, 298830, 313060, 328713, 341520, 358596, 375672, 398440, 438284, 448245, 469590, 478128, 512280, 547855, 563508, 597660, 626120, 657426, 704385, 717192, 751344, 796880, 876568, 896490, 939180, 986139, 1024560, 1095710, 1127016, 1195320, 1252240, 1314852, 1408770, 1434384, 1643565, 1753136, 1792980, 1878360, 1972278, 2191420, 2254032, 2390640, 2629704, 2817540, 3287130, 3585960, 3756720, 3944556, 4382840, 4930695, 5259408, 5635080, 6574260, 7171920, 7889112, 8765680, 9861390, 11270160, 13148520, 15778224, 19722780, 26297040, 39445560, 78891120]

約数ペア:

[(1, 78891120), (2, 39445560), (3, 26297040), (4, 19722780), (5, 15778224), (6, 13148520), (7, 11270160), (8, 9861390), (9, 8765680), (10, 7889112), (11, 7171920), (12, 6574260), (14, 5635080), (15, 5259408), (16, 4930695), (18, 4382840), (20, 3944556), (21, 3756720), (22, 3585960), (24, 3287130), (28, 2817540), (30, 2629704), (33, 2390640), (35, 2254032), (36, 2191420), (40, 1972278), (42, 1878360), (44, 1792980), (45, 1753136), (48, 1643565), (55, 1434384), (56, 1408770), (60, 1314852), (63, 1252240), (66, 1195320), (70, 1127016), (72, 1095710), (77, 1024560), (80, 986139), (84, 939180), (88, 896490), (90, 876568), (99, 796880), (105, 751344), (110, 717192), (112, 704385), (120, 657426), (126, 626120), (132, 597660), (140, 563508), (144, 547855), (154, 512280), (165, 478128), (168, 469590), (176, 448245), (180, 438284), (198, 398440), (210, 375672), (220, 358596), (231, 341520), (240, 328713), (252, 313060), (264, 298830), (280, 281754), (308, 256140), (315, 250448), (330, 239064), (336, 234795), (360, 219142), (385, 204912), (396, 199220), (420, 187836), (440, 179298), (462, 170760), (495, 159376), (504, 156530), (528, 149415), (560, 140877), (616, 128070), (630, 125224), (660, 119532), (693, 113840), (720, 109571), (770, 102456), (792, 99610), (840, 93918), (880, 89649), (924, 85380), (990, 79688), (1008, 78265), (1155, 68304), (1232, 64035), (1260, 62612), (1320, 59766), (1386, 56920), (1423, 55440), (1540, 51228), (1584, 49805), (1680, 46959), (1848, 42690), (1980, 39844), (2310, 34152), (2520, 31306), (2640, 29883), (2772, 28460), (2846, 27720), (3080, 25614), (3465, 22768), (3696, 21345), (3960, 19922), (4269, 18480), (4620, 17076), (5040, 15653), (5544, 14230), (5692, 13860), (6160, 12807), (6930, 11384), (7115, 11088), (7920, 9961), (8538, 9240)]