71028720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:872

約数の個数: 240

約数和(自身を含む): 288999360

約数和(自身を除く): 217970640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 829, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1658, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2487, 2520, 2856, 3060, 3316, 3570, 4080, 4145, 4284, 4760, 4974, 5040, 5355, 5712, 5803, 6120, 6632, 7140, 7461, 8290, 8568, 9520, 9948, 10710, 11606, 12240, 12435, 13264, 14093, 14280, 14922, 16580, 17136, 17409, 19896, 21420, 23212, 24870, 28186, 28560, 29015, 29844, 33160, 34818, 37305, 39792, 42279, 42840, 46424, 49740, 52227, 56372, 58030, 59688, 66320, 69636, 70465, 74610, 84558, 85680, 87045, 92848, 98651, 99480, 104454, 112744, 116060, 119376, 126837, 139272, 140930, 149220, 169116, 174090, 197302, 198960, 208908, 211395, 225488, 232120, 253674, 261135, 278544, 281860, 295953, 298440, 338232, 348180, 394604, 417816, 422790, 464240, 493255, 507348, 522270, 563720, 591906, 596880, 634185, 676464, 696360, 789208, 835632, 845580, 887859, 986510, 1014696, 1044540, 1127440, 1183812, 1268370, 1392720, 1479765, 1578416, 1691160, 1775718, 1973020, 2029392, 2089080, 2367624, 2536740, 2959530, 3382320, 3551436, 3946040, 4178160, 4439295, 4735248, 5073480, 5919060, 7102872, 7892080, 8878590, 10146960, 11838120, 14205744, 17757180, 23676240, 35514360, 71028720]

約数ペア:

[(1, 71028720), (2, 35514360), (3, 23676240), (4, 17757180), (5, 14205744), (6, 11838120), (7, 10146960), (8, 8878590), (9, 7892080), (10, 7102872), (12, 5919060), (14, 5073480), (15, 4735248), (16, 4439295), (17, 4178160), (18, 3946040), (20, 3551436), (21, 3382320), (24, 2959530), (28, 2536740), (30, 2367624), (34, 2089080), (35, 2029392), (36, 1973020), (40, 1775718), (42, 1691160), (45, 1578416), (48, 1479765), (51, 1392720), (56, 1268370), (60, 1183812), (63, 1127440), (68, 1044540), (70, 1014696), (72, 986510), (80, 887859), (84, 845580), (85, 835632), (90, 789208), (102, 696360), (105, 676464), (112, 634185), (119, 596880), (120, 591906), (126, 563720), (136, 522270), (140, 507348), (144, 493255), (153, 464240), (168, 422790), (170, 417816), (180, 394604), (204, 348180), (210, 338232), (238, 298440), (240, 295953), (252, 281860), (255, 278544), (272, 261135), (280, 253674), (306, 232120), (315, 225488), (336, 211395), (340, 208908), (357, 198960), (360, 197302), (408, 174090), (420, 169116), (476, 149220), (504, 140930), (510, 139272), (560, 126837), (595, 119376), (612, 116060), (630, 112744), (680, 104454), (714, 99480), (720, 98651), (765, 92848), (816, 87045), (829, 85680), (840, 84558), (952, 74610), (1008, 70465), (1020, 69636), (1071, 66320), (1190, 59688), (1224, 58030), (1260, 56372), (1360, 52227), (1428, 49740), (1530, 46424), (1658, 42840), (1680, 42279), (1785, 39792), (1904, 37305), (2040, 34818), (2142, 33160), (2380, 29844), (2448, 29015), (2487, 28560), (2520, 28186), (2856, 24870), (3060, 23212), (3316, 21420), (3570, 19896), (4080, 17409), (4145, 17136), (4284, 16580), (4760, 14922), (4974, 14280), (5040, 14093), (5355, 13264), (5712, 12435), (5803, 12240), (6120, 11606), (6632, 10710), (7140, 9948), (7461, 9520), (8290, 8568)]