280192640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 256

約数和(自身を含む): 875992320

約数和(自身を除く): 595799680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 40, 52, 56, 64, 65, 68, 70, 80, 85, 91, 104, 112, 119, 128, 130, 136, 140, 160, 170, 182, 208, 221, 224, 238, 260, 272, 280, 283, 320, 340, 364, 416, 442, 448, 455, 476, 520, 544, 560, 566, 595, 640, 680, 728, 832, 884, 896, 910, 952, 1040, 1088, 1105, 1120, 1132, 1190, 1360, 1415, 1456, 1547, 1664, 1768, 1820, 1904, 1981, 2080, 2176, 2210, 2240, 2264, 2380, 2720, 2830, 2912, 3094, 3536, 3640, 3679, 3808, 3962, 4160, 4420, 4480, 4528, 4760, 4811, 5440, 5660, 5824, 6188, 7072, 7280, 7358, 7616, 7735, 7924, 8320, 8840, 9056, 9520, 9622, 9905, 10880, 11320, 11648, 12376, 14144, 14560, 14716, 15232, 15470, 15848, 17680, 18112, 18395, 19040, 19244, 19810, 22640, 24055, 24752, 25753, 28288, 29120, 29432, 30940, 31696, 33677, 35360, 36224, 36790, 38080, 38488, 39620, 45280, 48110, 49504, 51506, 58240, 58864, 61880, 62543, 63392, 67354, 70720, 73580, 76160, 76976, 79240, 90560, 96220, 99008, 103012, 117728, 123760, 125086, 126784, 128765, 134708, 141440, 147160, 153952, 158480, 168385, 181120, 192440, 198016, 206024, 235456, 247520, 250172, 253568, 257530, 269416, 294320, 307904, 312715, 316960, 336770, 384880, 412048, 437801, 470912, 495040, 500344, 515060, 538832, 588640, 615808, 625430, 633920, 673540, 769760, 824096, 875602, 990080, 1000688, 1030120, 1077664, 1177280, 1250860, 1267840, 1347080, 1539520, 1648192, 1751204, 2001376, 2060240, 2155328, 2189005, 2354560, 2501720, 2694160, 3079040, 3296384, 3502408, 4002752, 4120480, 4310656, 4378010, 5003440, 5388320, 7004816, 8005504, 8240960, 8756020, 10006880, 10776640, 14009632, 16481920, 17512040, 20013760, 21553280, 28019264, 35024080, 40027520, 56038528, 70048160, 140096320, 280192640]

約数ペア:

[(1, 280192640), (2, 140096320), (4, 70048160), (5, 56038528), (7, 40027520), (8, 35024080), (10, 28019264), (13, 21553280), (14, 20013760), (16, 17512040), (17, 16481920), (20, 14009632), (26, 10776640), (28, 10006880), (32, 8756020), (34, 8240960), (35, 8005504), (40, 7004816), (52, 5388320), (56, 5003440), (64, 4378010), (65, 4310656), (68, 4120480), (70, 4002752), (80, 3502408), (85, 3296384), (91, 3079040), (104, 2694160), (112, 2501720), (119, 2354560), (128, 2189005), (130, 2155328), (136, 2060240), (140, 2001376), (160, 1751204), (170, 1648192), (182, 1539520), (208, 1347080), (221, 1267840), (224, 1250860), (238, 1177280), (260, 1077664), (272, 1030120), (280, 1000688), (283, 990080), (320, 875602), (340, 824096), (364, 769760), (416, 673540), (442, 633920), (448, 625430), (455, 615808), (476, 588640), (520, 538832), (544, 515060), (560, 500344), (566, 495040), (595, 470912), (640, 437801), (680, 412048), (728, 384880), (832, 336770), (884, 316960), (896, 312715), (910, 307904), (952, 294320), (1040, 269416), (1088, 257530), (1105, 253568), (1120, 250172), (1132, 247520), (1190, 235456), (1360, 206024), (1415, 198016), (1456, 192440), (1547, 181120), (1664, 168385), (1768, 158480), (1820, 153952), (1904, 147160), (1981, 141440), (2080, 134708), (2176, 128765), (2210, 126784), (2240, 125086), (2264, 123760), (2380, 117728), (2720, 103012), (2830, 99008), (2912, 96220), (3094, 90560), (3536, 79240), (3640, 76976), (3679, 76160), (3808, 73580), (3962, 70720), (4160, 67354), (4420, 63392), (4480, 62543), (4528, 61880), (4760, 58864), (4811, 58240), (5440, 51506), (5660, 49504), (5824, 48110), (6188, 45280), (7072, 39620), (7280, 38488), (7358, 38080), (7616, 36790), (7735, 36224), (7924, 35360), (8320, 33677), (8840, 31696), (9056, 30940), (9520, 29432), (9622, 29120), (9905, 28288), (10880, 25753), (11320, 24752), (11648, 24055), (12376, 22640), (14144, 19810), (14560, 19244), (14716, 19040), (15232, 18395), (15470, 18112), (15848, 17680)]