85428420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 216

約数和(自身を含む): 307989696

約数和(自身を除く): 222561276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 41, 42, 44, 55, 60, 66, 70, 77, 82, 84, 105, 110, 121, 123, 132, 140, 154, 164, 165, 205, 210, 220, 231, 242, 246, 287, 308, 330, 363, 385, 410, 420, 451, 462, 484, 492, 574, 605, 615, 660, 726, 770, 820, 847, 861, 902, 924, 1148, 1155, 1210, 1230, 1353, 1435, 1452, 1540, 1681, 1694, 1722, 1804, 1815, 2255, 2310, 2420, 2460, 2541, 2706, 2870, 3157, 3362, 3388, 3444, 3630, 4235, 4305, 4510, 4620, 4961, 5043, 5082, 5412, 5740, 6314, 6724, 6765, 7260, 8405, 8470, 8610, 9020, 9471, 9922, 10086, 10164, 11767, 12628, 12705, 13530, 14883, 15785, 16810, 16940, 17220, 18491, 18942, 19844, 20172, 23534, 24805, 25215, 25410, 27060, 29766, 31570, 33620, 34727, 35301, 36982, 37884, 47068, 47355, 49610, 50430, 50820, 55473, 58835, 59532, 63140, 69454, 70602, 73964, 74415, 92455, 94710, 99220, 100860, 104181, 110946, 117670, 129437, 138908, 141204, 148830, 173635, 176505, 184910, 189420, 203401, 208362, 221892, 235340, 258874, 277365, 297660, 347270, 353010, 369820, 388311, 406802, 416724, 517748, 520905, 554730, 610203, 647185, 694540, 706020, 776622, 813604, 1017005, 1041810, 1109460, 1220406, 1294370, 1423807, 1553244, 1941555, 2034010, 2083620, 2440812, 2588740, 2847614, 3051015, 3883110, 4068020, 4271421, 5695228, 6102030, 7119035, 7766220, 8542842, 12204060, 14238070, 17085684, 21357105, 28476140, 42714210, 85428420]

約数ペア:

[(1, 85428420), (2, 42714210), (3, 28476140), (4, 21357105), (5, 17085684), (6, 14238070), (7, 12204060), (10, 8542842), (11, 7766220), (12, 7119035), (14, 6102030), (15, 5695228), (20, 4271421), (21, 4068020), (22, 3883110), (28, 3051015), (30, 2847614), (33, 2588740), (35, 2440812), (41, 2083620), (42, 2034010), (44, 1941555), (55, 1553244), (60, 1423807), (66, 1294370), (70, 1220406), (77, 1109460), (82, 1041810), (84, 1017005), (105, 813604), (110, 776622), (121, 706020), (123, 694540), (132, 647185), (140, 610203), (154, 554730), (164, 520905), (165, 517748), (205, 416724), (210, 406802), (220, 388311), (231, 369820), (242, 353010), (246, 347270), (287, 297660), (308, 277365), (330, 258874), (363, 235340), (385, 221892), (410, 208362), (420, 203401), (451, 189420), (462, 184910), (484, 176505), (492, 173635), (574, 148830), (605, 141204), (615, 138908), (660, 129437), (726, 117670), (770, 110946), (820, 104181), (847, 100860), (861, 99220), (902, 94710), (924, 92455), (1148, 74415), (1155, 73964), (1210, 70602), (1230, 69454), (1353, 63140), (1435, 59532), (1452, 58835), (1540, 55473), (1681, 50820), (1694, 50430), (1722, 49610), (1804, 47355), (1815, 47068), (2255, 37884), (2310, 36982), (2420, 35301), (2460, 34727), (2541, 33620), (2706, 31570), (2870, 29766), (3157, 27060), (3362, 25410), (3388, 25215), (3444, 24805), (3630, 23534), (4235, 20172), (4305, 19844), (4510, 18942), (4620, 18491), (4961, 17220), (5043, 16940), (5082, 16810), (5412, 15785), (5740, 14883), (6314, 13530), (6724, 12705), (6765, 12628), (7260, 11767), (8405, 10164), (8470, 10086), (8610, 9922), (9020, 9471)]