20187498240

素因数分解:

$2^8\times 3^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 1152

約数和(自身を含む): 90655488000

約数和(自身を除く): 70467989760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 49, 52, 54, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 98, 104, 105, 108, 112, 117, 120, 126, 128, 130, 131, 135, 140, 144, 147, 156, 160, 168, 180, 182, 189, 192, 195, 196, 208, 210, 216, 224, 234, 240, 245, 252, 256, 260, 262, 270, 273, 280, 288, 294, 312, 315, 320, 336, 343, 351, 360, 364, 378, 384, 390, 392, 393, 416, 420, 432, 441, 448, 455, 468, 480, 490, 504, 520, 524, 540, 546, 560, 576, 585, 588, 624, 630, 637, 640, 655, 672, 686, 702, 720, 728, 735, 756, 768, 780, 784, 786, 819, 832, 840, 864, 882, 896, 910, 917, 936, 945, 960, 980, 1008, 1029, 1040, 1048, 1080, 1092, 1120, 1152, 1170, 1176, 1179, 1248, 1260, 1274, 1280, 1310, 1323, 1344, 1365, 1372, 1404, 1440, 1456, 1470, 1512, 1560, 1568, 1572, 1638, 1664, 1680, 1703, 1715, 1728, 1755, 1764, 1792, 1820, 1834, 1872, 1890, 1911, 1920, 1960, 1965, 2016, 2058, 2080, 2096, 2160, 2184, 2205, 2240, 2304, 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16380, 16464, 16506, 16640, 16768, 17030, 17199, 17280, 17472, 17640, 17685, 17836, 18340, 18522, 18720, 18816, 18864, 19110, 19257, 19656, 20160, 20384, 20436, 20580, 20960, 21168, 21840, 21952, 22008, 22295, 22464, 22932, 23296, 23520, 23580, 23842, 24192, 24570, 24696, 24759, 24960, 25152, 25480, 25545, 25676, 26208, 26460, 26754, 26880, 27248, 27440, 27510, 28080, 28224, 28296, 28665, 29120, 29344, 29952, 30240, 30576, 30654, 30870, 31360, 31440, 32095, 32760, 32928, 33012, 33536, 34060, 34398, 34560, 34944, 35280, 35370, 35672, 35763, 36680, 37044, 37440, 37632, 37728, 38220, 38514, 39312, 40131, 40320, 40768, 40872, 41160, 41265, 41920, 42336, 43680, 43904, 44016, 44590, 44928, 44933, 45864, 45981, 46305, 47040, 47160, 47684, 48384, 49140, 49392, 49518, 49920, 50304, 50960, 51090, 51352, 52416, 52920, 53508, 54496, 54880, 55020, 56160, 56448, 56592, 57330, 57771, 58240, 58688, 59605, 60480, 61152, 61308, 61740, 62720, 62880, 64190, 65520, 65856, 66024, 66885, 68120, 68796, 69888, 70560, 70740, 71344, 71526, 73360, 74088, 74880, 75456, 76440, 76635, 77028, 78624, 80262, 80640, 81536, 81744, 82320, 82530, 83447, 83840, 84672, 85995, 87360, 87808, 88032, 89180, 89856, 89866, 91728, 91962, 92610, 94080, 94320, 95368, 96285, 98280, 98784, 99036, 100608, 101920, 102180, 102704, 104832, 105840, 107016, 107289, 108992, 109760, 110040, 112320, 112896, 113184, 114660, 115542, 116480, 117376, 119210, 120393, 120960, 122304, 122616, 123480, 123795, 125760, 128380, 131040, 131712, 132048, 133770, 134799, 136240, 137592, 141120, 141480, 142688, 143052, 146720, 148176, 149760, 150912, 152880, 153270, 154056, 157248, 160524, 163072, 163488, 164640, 165060, 166894, 167680, 169344, 171990, 173313, 174720, 176064, 178360, 178815, 179732, 183456, 183924, 185220, 188160, 188640, 190736, 192570, 196560, 197568, 198072, 200655, 203840, 204360, 205408, 209664, 211680, 214032, 214578, 217984, 219520, 220080, 224640, 224665, 226368, 229320, 229905, 231084, 234752, 238420, 240786, 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約数ペア:

[(1, 20187498240), (2, 10093749120), (3, 6729166080), (4, 5046874560), (5, 4037499648), (6, 3364583040), (7, 2883928320), (8, 2523437280), (9, 2243055360), (10, 2018749824), (12, 1682291520), (13, 1552884480), (14, 1441964160), (15, 1345833216), (16, 1261718640), (18, 1121527680), (20, 1009374912), (21, 961309440), (24, 841145760), (26, 776442240), (27, 747685120), (28, 720982080), (30, 672916608), (32, 630859320), (35, 576785664), (36, 560763840), (39, 517628160), (40, 504687456), (42, 480654720), (45, 448611072), (48, 420572880), (49, 411989760), (52, 388221120), (54, 373842560), (56, 360491040), (60, 336458304), (63, 320436480), (64, 315429660), (65, 310576896), (70, 288392832), (72, 280381920), (78, 258814080), (80, 252343728), (84, 240327360), (90, 224305536), (91, 221840640), (96, 210286440), (98, 205994880), (104, 194110560), (105, 192261888), (108, 186921280), (112, 180245520), (117, 172542720), (120, 168229152), (126, 160218240), (128, 157714830), (130, 155288448), (131, 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