1978778880

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 432

約数和(自身を含む): 7515305616

約数和(自身を除く): 5536526736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 73, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 146, 156, 160, 180, 181, 192, 195, 208, 219, 234, 240, 256, 260, 288, 292, 312, 320, 360, 362, 365, 384, 390, 416, 438, 468, 480, 520, 543, 576, 584, 585, 624, 640, 657, 720, 724, 730, 768, 780, 832, 876, 905, 936, 949, 960, 1040, 1086, 1095, 1152, 1168, 1170, 1248, 1280, 1314, 1440, 1448, 1460, 1560, 1629, 1664, 1752, 1810, 1872, 1898, 1920, 2080, 2172, 2190, 2304, 2336, 2340, 2353, 2496, 2628, 2715, 2847, 2880, 2896, 2920, 3120, 3258, 3285, 3328, 3504, 3620, 3744, 3796, 3840, 4160, 4344, 4380, 4672, 4680, 4706, 4745, 4992, 5256, 5430, 5694, 5760, 5792, 5840, 6240, 6516, 6570, 7008, 7059, 7240, 7488, 7592, 8145, 8320, 8541, 8688, 8760, 9344, 9360, 9412, 9490, 9984, 10512, 10860, 11388, 11520, 11584, 11680, 11765, 12480, 13032, 13140, 13213, 14016, 14118, 14235, 14480, 14976, 15184, 16290, 16640, 17082, 17376, 17520, 18688, 18720, 18824, 18980, 21024, 21177, 21720, 22776, 23168, 23360, 23530, 24960, 26064, 26280, 26426, 28032, 28236, 28470, 28960, 29952, 30368, 32580, 34164, 34752, 35040, 35295, 37440, 37648, 37960, 39639, 42048, 42354, 42705, 43440, 45552, 46336, 46720, 47060, 49920, 52128, 52560, 52852, 56064, 56472, 56940, 57920, 60736, 65160, 66065, 68328, 69504, 70080, 70590, 74880, 75296, 75920, 79278, 84096, 84708, 85410, 86880, 91104, 93440, 94120, 104256, 105120, 105704, 105885, 112944, 113880, 115840, 118917, 121472, 130320, 132130, 136656, 139008, 140160, 141180, 149760, 150592, 151840, 158556, 168192, 169416, 170820, 171769, 173760, 182208, 188240, 198195, 208512, 210240, 211408, 211770, 225888, 227760, 231680, 237834, 242944, 260640, 264260, 273312, 280320, 282360, 301184, 303680, 317112, 338832, 341640, 343538, 347520, 364416, 376480, 396390, 417024, 420480, 422816, 423540, 451776, 455520, 475668, 515307, 521280, 528520, 546624, 564720, 594585, 602368, 607360, 634224, 677664, 683280, 687076, 695040, 728832, 752960, 792780, 840960, 845632, 847080, 858845, 903552, 911040, 951336, 1030614, 1042560, 1057040, 1093248, 1129440, 1189170, 1214720, 1268448, 1355328, 1366560, 1374152, 1505920, 1545921, 1585560, 1691264, 1694160, 1717690, 1807104, 1822080, 1902672, 2061228, 2085120, 2114080, 2186496, 2258880, 2378340, 2536896, 2576535, 2710656, 2733120, 2748304, 3011840, 3091842, 3171120, 3382528, 3388320, 3435380, 3644160, 3805344, 4122456, 4228160, 4517760, 4756680, 5073792, 5153070, 5421312, 5466240, 5496608, 6183684, 6342240, 6776640, 6870760, 7610688, 7729605, 8244912, 8456320, 9035520, 9513360, 10147584, 10306140, 10932480, 10993216, 12367368, 12684480, 13553280, 13741520, 15221376, 15459210, 16489824, 16912640, 19026720, 20612280, 21986432, 24734736, 25368960, 27106560, 27483040, 30442752, 30918420, 32979648, 38053440, 41224560, 43972864, 49469472, 50737920, 54966080, 61836840, 65959296, 76106880, 82449120, 98938944, 109932160, 123673680, 131918592, 152213760, 164898240, 197877888, 219864320, 247347360, 329796480, 395755776, 494694720, 659592960, 989389440, 1978778880]

約数ペア:

[(1, 1978778880), (2, 989389440), (3, 659592960), (4, 494694720), (5, 395755776), (6, 329796480), (8, 247347360), (9, 219864320), (10, 197877888), (12, 164898240), (13, 152213760), (15, 131918592), (16, 123673680), (18, 109932160), (20, 98938944), (24, 82449120), (26, 76106880), (30, 65959296), (32, 61836840), (36, 54966080), (39, 50737920), (40, 49469472), (45, 43972864), (48, 41224560), (52, 38053440), (60, 32979648), (64, 30918420), (65, 30442752), (72, 27483040), (73, 27106560), (78, 25368960), (80, 24734736), (90, 21986432), (96, 20612280), (104, 19026720), (117, 16912640), (120, 16489824), (128, 15459210), (130, 15221376), (144, 13741520), (146, 13553280), (156, 12684480), (160, 12367368), (180, 10993216), (181, 10932480), (192, 10306140), (195, 10147584), (208, 9513360), (219, 9035520), (234, 8456320), (240, 8244912), (256, 7729605), (260, 7610688), (288, 6870760), (292, 6776640), (312, 6342240), (320, 6183684), (360, 5496608), (362, 5466240), (365, 5421312), (384, 5153070), (390, 5073792), (416, 4756680), (438, 4517760), (468, 4228160), (480, 4122456), (520, 3805344), (543, 3644160), (576, 3435380), (584, 3388320), (585, 3382528), (624, 3171120), (640, 3091842), (657, 3011840), (720, 2748304), (724, 2733120), (730, 2710656), (768, 2576535), (780, 2536896), (832, 2378340), (876, 2258880), (905, 2186496), (936, 2114080), (949, 2085120), (960, 2061228), (1040, 1902672), (1086, 1822080), (1095, 1807104), (1152, 1717690), (1168, 1694160), (1170, 1691264), (1248, 1585560), (1280, 1545921), (1314, 1505920), (1440, 1374152), (1448, 1366560), (1460, 1355328), (1560, 1268448), (1629, 1214720), (1664, 1189170), (1752, 1129440), (1810, 1093248), (1872, 1057040), (1898, 1042560), (1920, 1030614), (2080, 951336), (2172, 911040), (2190, 903552), (2304, 858845), (2336, 847080), (2340, 845632), (2353, 840960), (2496, 792780), (2628, 752960), (2715, 728832), (2847, 695040), (2880, 687076), (2896, 683280), (2920, 677664), (3120, 634224), (3258, 607360), (3285, 602368), (3328, 594585), (3504, 564720), (3620, 546624), (3744, 528520), (3796, 521280), (3840, 515307), (4160, 475668), (4344, 455520), (4380, 451776), (4672, 423540), (4680, 422816), (4706, 420480), (4745, 417024), (4992, 396390), (5256, 376480), (5430, 364416), (5694, 347520), (5760, 343538), (5792, 341640), (5840, 338832), (6240, 317112), (6516, 303680), (6570, 301184), (7008, 282360), (7059, 280320), (7240, 273312), (7488, 264260), (7592, 260640), (8145, 242944), (8320, 237834), (8541, 231680), (8688, 227760), (8760, 225888), (9344, 211770), (9360, 211408), (9412, 210240), (9490, 208512), (9984, 198195), (10512, 188240), (10860, 182208), (11388, 173760), (11520, 171769), (11584, 170820), (11680, 169416), (11765, 168192), (12480, 158556), (13032, 151840), (13140, 150592), (13213, 149760), (14016, 141180), (14118, 140160), (14235, 139008), (14480, 136656), (14976, 132130), (15184, 130320), (16290, 121472), (16640, 118917), (17082, 115840), (17376, 113880), (17520, 112944), (18688, 105885), (18720, 105704), (18824, 105120), (18980, 104256), (21024, 94120), (21177, 93440), (21720, 91104), (22776, 86880), (23168, 85410), (23360, 84708), (23530, 84096), (24960, 79278), (26064, 75920), (26280, 75296), (26426, 74880), (28032, 70590), (28236, 70080), (28470, 69504), (28960, 68328), (29952, 66065), (30368, 65160), (32580, 60736), (34164, 57920), (34752, 56940), (35040, 56472), (35295, 56064), (37440, 52852), (37648, 52560), (37960, 52128), (39639, 49920), (42048, 47060), (42354, 46720), (42705, 46336), (43440, 45552)]