20398768560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{433}}^1\times {\mathrm{1109}}^1$

素因数の和:1620

約数の個数: 240

約数和(自身を含む): 69890839200

約数和(自身を除く): 49492070640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 433, 472, 531, 590, 708, 720, 866, 885, 944, 1062, 1109, 1180, 1299, 1416, 1732, 1770, 2124, 2165, 2218, 2360, 2598, 2655, 2832, 3327, 3464, 3540, 3897, 4248, 4330, 4436, 4720, 5196, 5310, 5545, 6495, 6654, 6928, 7080, 7794, 8496, 8660, 8872, 9981, 10392, 10620, 11090, 12990, 13308, 14160, 15588, 16635, 17320, 17744, 19485, 19962, 20784, 21240, 22180, 25547, 25980, 26616, 31176, 33270, 34640, 38970, 39924, 42480, 44360, 49905, 51094, 51960, 53232, 62352, 65431, 66540, 76641, 77940, 79848, 88720, 99810, 102188, 103920, 127735, 130862, 133080, 153282, 155880, 159696, 196293, 199620, 204376, 229923, 255470, 261724, 266160, 306564, 311760, 327155, 383205, 392586, 399240, 408752, 459846, 480197, 510940, 523448, 588879, 613128, 654310, 766410, 785172, 798480, 919692, 960394, 981465, 1021880, 1046896, 1149615, 1177758, 1226256, 1308620, 1440591, 1532820, 1570344, 1839384, 1920788, 1962930, 2043760, 2299230, 2355516, 2400985, 2617240, 2881182, 2944395, 3065640, 3140688, 3678768, 3841576, 3925860, 4321773, 4598460, 4711032, 4801970, 5234480, 5762364, 5888790, 6131280, 7202955, 7683152, 7851720, 8643546, 9196920, 9422064, 9603940, 11524728, 11777580, 14405910, 15703440, 17287092, 18393840, 19207880, 21608865, 23049456, 23555160, 28331623, 28811820, 34574184, 38415760, 43217730, 47110320, 56663246, 57623640, 69148368, 84994869, 86435460, 113326492, 115247280, 141658115, 169989738, 172870920, 226652984, 254984607, 283316230, 339979476, 345741840, 424974345, 453305968, 509969214, 566632460, 679958952, 849948690, 1019938428, 1133264920, 1274923035, 1359917904, 1699897380, 2039876856, 2266529840, 2549846070, 3399794760, 4079753712, 5099692140, 6799589520, 10199384280, 20398768560]

約数ペア:

[(1, 20398768560), (2, 10199384280), (3, 6799589520), (4, 5099692140), (5, 4079753712), (6, 3399794760), (8, 2549846070), (9, 2266529840), (10, 2039876856), (12, 1699897380), (15, 1359917904), (16, 1274923035), (18, 1133264920), (20, 1019938428), (24, 849948690), (30, 679958952), (36, 566632460), (40, 509969214), (45, 453305968), (48, 424974345), (59, 345741840), (60, 339979476), (72, 283316230), (80, 254984607), (90, 226652984), (118, 172870920), (120, 169989738), (144, 141658115), (177, 115247280), (180, 113326492), (236, 86435460), (240, 84994869), (295, 69148368), (354, 57623640), (360, 56663246), (433, 47110320), (472, 43217730), (531, 38415760), (590, 34574184), (708, 28811820), (720, 28331623), (866, 23555160), (885, 23049456), (944, 21608865), (1062, 19207880), (1109, 18393840), (1180, 17287092), (1299, 15703440), (1416, 14405910), (1732, 11777580), (1770, 11524728), (2124, 9603940), (2165, 9422064), (2218, 9196920), (2360, 8643546), (2598, 7851720), (2655, 7683152), (2832, 7202955), (3327, 6131280), (3464, 5888790), (3540, 5762364), (3897, 5234480), (4248, 4801970), (4330, 4711032), (4436, 4598460), (4720, 4321773), (5196, 3925860), (5310, 3841576), (5545, 3678768), (6495, 3140688), (6654, 3065640), (6928, 2944395), (7080, 2881182), (7794, 2617240), (8496, 2400985), (8660, 2355516), (8872, 2299230), (9981, 2043760), (10392, 1962930), (10620, 1920788), (11090, 1839384), (12990, 1570344), (13308, 1532820), (14160, 1440591), (15588, 1308620), (16635, 1226256), (17320, 1177758), (17744, 1149615), (19485, 1046896), (19962, 1021880), (20784, 981465), (21240, 960394), (22180, 919692), (25547, 798480), (25980, 785172), (26616, 766410), (31176, 654310), (33270, 613128), (34640, 588879), (38970, 523448), (39924, 510940), (42480, 480197), (44360, 459846), (49905, 408752), (51094, 399240), (51960, 392586), (53232, 383205), (62352, 327155), (65431, 311760), (66540, 306564), (76641, 266160), (77940, 261724), (79848, 255470), (88720, 229923), (99810, 204376), (102188, 199620), (103920, 196293), (127735, 159696), (130862, 155880), (133080, 153282)]