420435840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1221

約数の個数: 256

約数和(自身を含む): 1549290240

約数和(自身を除く): 1128854400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 64, 66, 68, 80, 85, 88, 96, 102, 110, 120, 128, 132, 136, 160, 165, 170, 176, 187, 192, 204, 220, 240, 255, 264, 272, 320, 330, 340, 352, 374, 384, 408, 440, 480, 510, 528, 544, 561, 640, 660, 680, 704, 748, 816, 880, 935, 960, 1020, 1056, 1088, 1122, 1171, 1320, 1360, 1408, 1496, 1632, 1760, 1870, 1920, 2040, 2112, 2176, 2244, 2342, 2640, 2720, 2805, 2992, 3264, 3513, 3520, 3740, 4080, 4224, 4488, 4684, 5280, 5440, 5610, 5855, 5984, 6528, 7026, 7040, 7480, 8160, 8976, 9368, 10560, 10880, 11220, 11710, 11968, 12881, 14052, 14960, 16320, 17565, 17952, 18736, 19907, 21120, 22440, 23420, 23936, 25762, 28104, 29920, 32640, 35130, 35904, 37472, 38643, 39814, 44880, 46840, 51524, 56208, 59721, 59840, 64405, 70260, 71808, 74944, 77286, 79628, 89760, 93680, 99535, 103048, 112416, 119442, 119680, 128810, 140520, 149888, 154572, 159256, 179520, 187360, 193215, 199070, 206096, 218977, 224832, 238884, 257620, 281040, 298605, 309144, 318512, 359040, 374720, 386430, 398140, 412192, 437954, 449664, 477768, 515240, 562080, 597210, 618288, 637024, 656931, 749440, 772860, 796280, 824384, 875908, 955536, 1030480, 1094885, 1124160, 1194420, 1236576, 1274048, 1313862, 1545720, 1592560, 1648768, 1751816, 1911072, 2060960, 2189770, 2248320, 2388840, 2473152, 2548096, 2627724, 3091440, 3185120, 3284655, 3503632, 3822144, 4121920, 4379540, 4777680, 4946304, 5255448, 6182880, 6370240, 6569310, 7007264, 7644288, 8243840, 8759080, 9555360, 10510896, 12365760, 12740480, 13138620, 14014528, 17518160, 19110720, 21021792, 24731520, 26277240, 28029056, 35036320, 38221440, 42043584, 52554480, 70072640, 84087168, 105108960, 140145280, 210217920, 420435840]

約数ペア:

[(1, 420435840), (2, 210217920), (3, 140145280), (4, 105108960), (5, 84087168), (6, 70072640), (8, 52554480), (10, 42043584), (11, 38221440), (12, 35036320), (15, 28029056), (16, 26277240), (17, 24731520), (20, 21021792), (22, 19110720), (24, 17518160), (30, 14014528), (32, 13138620), (33, 12740480), (34, 12365760), (40, 10510896), (44, 9555360), (48, 8759080), (51, 8243840), (55, 7644288), (60, 7007264), (64, 6569310), (66, 6370240), (68, 6182880), (80, 5255448), (85, 4946304), (88, 4777680), (96, 4379540), (102, 4121920), (110, 3822144), (120, 3503632), (128, 3284655), (132, 3185120), (136, 3091440), (160, 2627724), (165, 2548096), (170, 2473152), (176, 2388840), (187, 2248320), (192, 2189770), (204, 2060960), (220, 1911072), (240, 1751816), (255, 1648768), (264, 1592560), (272, 1545720), (320, 1313862), (330, 1274048), (340, 1236576), (352, 1194420), (374, 1124160), (384, 1094885), (408, 1030480), (440, 955536), (480, 875908), (510, 824384), (528, 796280), (544, 772860), (561, 749440), (640, 656931), (660, 637024), (680, 618288), (704, 597210), (748, 562080), (816, 515240), (880, 477768), (935, 449664), (960, 437954), (1020, 412192), (1056, 398140), (1088, 386430), (1122, 374720), (1171, 359040), (1320, 318512), (1360, 309144), (1408, 298605), (1496, 281040), (1632, 257620), (1760, 238884), (1870, 224832), (1920, 218977), (2040, 206096), (2112, 199070), (2176, 193215), (2244, 187360), (2342, 179520), (2640, 159256), (2720, 154572), (2805, 149888), (2992, 140520), (3264, 128810), (3513, 119680), (3520, 119442), (3740, 112416), (4080, 103048), (4224, 99535), (4488, 93680), (4684, 89760), (5280, 79628), (5440, 77286), (5610, 74944), (5855, 71808), (5984, 70260), (6528, 64405), (7026, 59840), (7040, 59721), (7480, 56208), (8160, 51524), (8976, 46840), (9368, 44880), (10560, 39814), (10880, 38643), (11220, 37472), (11710, 35904), (11968, 35130), (12881, 32640), (14052, 29920), (14960, 28104), (16320, 25762), (17565, 23936), (17952, 23420), (18736, 22440), (19907, 21120)]