20893796280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{487717}}^1$

素因数の和:487758

約数の個数: 192

約数和(自身を含む): 82170728640

約数和(自身を除く): 61276932360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1428, 1530, 1785, 2040, 2142, 2380, 2520, 2856, 3060, 3570, 4284, 4760, 5355, 6120, 7140, 8568, 10710, 14280, 21420, 42840, 487717, 975434, 1463151, 1950868, 2438585, 2926302, 3414019, 3901736, 4389453, 4877170, 5852604, 6828038, 7315755, 8291189, 8778906, 9754340, 10242057, 11705208, 13656076, 14631510, 16582378, 17070095, 17557812, 19508680, 20484114, 21947265, 24873567, 27312152, 29263020, 30726171, 33164756, 34140190, 35115624, 40968228, 41455945, 43894530, 49747134, 51210285, 58038323, 58526040, 61452342, 66329512, 68280380, 74620701, 81936456, 82911890, 87789060, 99494268, 102420570, 116076646, 122904684, 124367835, 136560760, 149241402, 153630855, 165823780, 174114969, 175578120, 198988536, 204841140, 232153292, 245809368, 248735670, 290191615, 298482804, 307261710, 331647560, 348229938, 373103505, 409682280, 464306584, 497471340, 522344907, 580383230, 596965608, 614523420, 696459876, 746207010, 870574845, 994942680, 1044689814, 1160766460, 1229046840, 1392919752, 1492414020, 1741149690, 2089379628, 2321532920, 2611724535, 2984828040, 3482299380, 4178759256, 5223449070, 6964598760, 10446898140, 20893796280]

約数ペア:

[(1, 20893796280), (2, 10446898140), (3, 6964598760), (4, 5223449070), (5, 4178759256), (6, 3482299380), (7, 2984828040), (8, 2611724535), (9, 2321532920), (10, 2089379628), (12, 1741149690), (14, 1492414020), (15, 1392919752), (17, 1229046840), (18, 1160766460), (20, 1044689814), (21, 994942680), (24, 870574845), (28, 746207010), (30, 696459876), (34, 614523420), (35, 596965608), (36, 580383230), (40, 522344907), (42, 497471340), (45, 464306584), (51, 409682280), (56, 373103505), (60, 348229938), (63, 331647560), (68, 307261710), (70, 298482804), (72, 290191615), (84, 248735670), (85, 245809368), (90, 232153292), (102, 204841140), (105, 198988536), (119, 175578120), (120, 174114969), (126, 165823780), (136, 153630855), (140, 149241402), (153, 136560760), (168, 124367835), (170, 122904684), (180, 116076646), (204, 102420570), (210, 99494268), (238, 87789060), (252, 82911890), (255, 81936456), (280, 74620701), (306, 68280380), (315, 66329512), (340, 61452342), (357, 58526040), (360, 58038323), (408, 51210285), (420, 49747134), (476, 43894530), (504, 41455945), (510, 40968228), (595, 35115624), (612, 34140190), (630, 33164756), (680, 30726171), (714, 29263020), (765, 27312152), (840, 24873567), (952, 21947265), (1020, 20484114), (1071, 19508680), (1190, 17557812), (1224, 17070095), (1260, 16582378), (1428, 14631510), (1530, 13656076), (1785, 11705208), (2040, 10242057), (2142, 9754340), (2380, 8778906), (2520, 8291189), (2856, 7315755), (3060, 6828038), (3570, 5852604), (4284, 4877170), (4760, 4389453), (5355, 3901736), (6120, 3414019), (7140, 2926302), (8568, 2438585), (10710, 1950868), (14280, 1463151), (21420, 975434), (42840, 487717)]