20175747120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{1381}}^1$

素因数の和:1700

約数の個数: 240

約数和(自身を含む): 68811792192

約数和(自身を除く): 48636045072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 144, 180, 197, 206, 240, 309, 360, 394, 412, 515, 591, 618, 720, 788, 824, 927, 985, 1030, 1182, 1236, 1381, 1545, 1576, 1648, 1773, 1854, 1970, 2060, 2364, 2472, 2762, 2955, 3090, 3152, 3546, 3708, 3940, 4120, 4143, 4635, 4728, 4944, 5524, 5910, 6180, 6905, 7092, 7416, 7880, 8240, 8286, 8865, 9270, 9456, 11048, 11820, 12360, 12429, 13810, 14184, 14832, 15760, 16572, 17730, 18540, 20291, 20715, 22096, 23640, 24720, 24858, 27620, 28368, 33144, 35460, 37080, 40582, 41430, 47280, 49716, 55240, 60873, 62145, 66288, 70920, 74160, 81164, 82860, 99432, 101455, 110480, 121746, 124290, 141840, 142243, 162328, 165720, 182619, 198864, 202910, 243492, 248580, 272057, 284486, 304365, 324656, 331440, 365238, 405820, 426729, 486984, 497160, 544114, 568972, 608730, 711215, 730476, 811640, 816171, 853458, 913095, 973968, 994320, 1088228, 1137944, 1217460, 1280187, 1360285, 1422430, 1460952, 1623280, 1632342, 1706916, 1826190, 2133645, 2176456, 2275888, 2434920, 2448513, 2560374, 2720570, 2844860, 2921904, 3264684, 3413832, 3652380, 4080855, 4267290, 4352912, 4869840, 4897026, 5120748, 5441140, 5689720, 6400935, 6529368, 6827664, 7304760, 8161710, 8534580, 9794052, 10241496, 10882280, 11379440, 12242565, 12801870, 13058736, 14609520, 16323420, 17069160, 19588104, 20482992, 21764560, 24485130, 25603740, 28021871, 32646840, 34138320, 39176208, 48970260, 51207480, 56043742, 65293680, 84065613, 97940520, 102414960, 112087484, 140109355, 168131226, 195881040, 224174968, 252196839, 280218710, 336262452, 420328065, 448349936, 504393678, 560437420, 672524904, 840656130, 1008787356, 1120874840, 1260984195, 1345049808, 1681312260, 2017574712, 2241749680, 2521968390, 3362624520, 4035149424, 5043936780, 6725249040, 10087873560, 20175747120]

約数ペア:

[(1, 20175747120), (2, 10087873560), (3, 6725249040), (4, 5043936780), (5, 4035149424), (6, 3362624520), (8, 2521968390), (9, 2241749680), (10, 2017574712), (12, 1681312260), (15, 1345049808), (16, 1260984195), (18, 1120874840), (20, 1008787356), (24, 840656130), (30, 672524904), (36, 560437420), (40, 504393678), (45, 448349936), (48, 420328065), (60, 336262452), (72, 280218710), (80, 252196839), (90, 224174968), (103, 195881040), (120, 168131226), (144, 140109355), (180, 112087484), (197, 102414960), (206, 97940520), (240, 84065613), (309, 65293680), (360, 56043742), (394, 51207480), (412, 48970260), (515, 39176208), (591, 34138320), (618, 32646840), (720, 28021871), (788, 25603740), (824, 24485130), (927, 21764560), (985, 20482992), (1030, 19588104), (1182, 17069160), (1236, 16323420), (1381, 14609520), (1545, 13058736), (1576, 12801870), (1648, 12242565), (1773, 11379440), (1854, 10882280), (1970, 10241496), (2060, 9794052), (2364, 8534580), (2472, 8161710), (2762, 7304760), (2955, 6827664), (3090, 6529368), (3152, 6400935), (3546, 5689720), (3708, 5441140), (3940, 5120748), (4120, 4897026), (4143, 4869840), (4635, 4352912), (4728, 4267290), (4944, 4080855), (5524, 3652380), (5910, 3413832), (6180, 3264684), (6905, 2921904), (7092, 2844860), (7416, 2720570), (7880, 2560374), (8240, 2448513), (8286, 2434920), (8865, 2275888), (9270, 2176456), (9456, 2133645), (11048, 1826190), (11820, 1706916), (12360, 1632342), (12429, 1623280), (13810, 1460952), (14184, 1422430), (14832, 1360285), (15760, 1280187), (16572, 1217460), (17730, 1137944), (18540, 1088228), (20291, 994320), (20715, 973968), (22096, 913095), (23640, 853458), (24720, 816171), (24858, 811640), (27620, 730476), (28368, 711215), (33144, 608730), (35460, 568972), (37080, 544114), (40582, 497160), (41430, 486984), (47280, 426729), (49716, 405820), (55240, 365238), (60873, 331440), (62145, 324656), (66288, 304365), (70920, 284486), (74160, 272057), (81164, 248580), (82860, 243492), (99432, 202910), (101455, 198864), (110480, 182619), (121746, 165720), (124290, 162328), (141840, 142243)]