280170800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 852445440

約数和(自身を除く): 572274640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 43, 50, 52, 56, 65, 70, 80, 86, 91, 100, 104, 112, 130, 140, 172, 175, 179, 182, 200, 208, 215, 260, 280, 301, 325, 344, 350, 358, 364, 400, 430, 455, 520, 559, 560, 602, 650, 688, 700, 716, 728, 860, 895, 910, 1040, 1075, 1118, 1204, 1253, 1300, 1400, 1432, 1456, 1505, 1720, 1790, 1820, 2150, 2236, 2275, 2327, 2408, 2506, 2600, 2795, 2800, 2864, 3010, 3440, 3580, 3640, 3913, 4300, 4472, 4475, 4550, 4654, 4816, 5012, 5200, 5590, 6020, 6265, 7160, 7280, 7525, 7697, 7826, 8600, 8944, 8950, 9100, 9308, 10024, 11180, 11635, 12040, 12530, 13975, 14320, 15050, 15394, 15652, 16289, 17200, 17900, 18200, 18616, 19565, 20048, 22360, 23270, 24080, 25060, 27950, 30100, 30788, 31304, 31325, 32578, 35800, 36400, 37232, 38485, 39130, 44720, 46540, 50120, 53879, 55900, 58175, 60200, 61576, 62608, 62650, 65156, 71600, 76970, 78260, 81445, 93080, 97825, 100061, 100240, 107758, 111800, 116350, 120400, 123152, 125300, 130312, 153940, 156520, 162890, 186160, 192425, 195650, 200122, 215516, 223600, 232700, 250600, 260624, 269395, 307880, 313040, 325780, 384850, 391300, 400244, 407225, 431032, 465400, 500305, 501200, 538790, 615760, 651560, 700427, 769700, 782600, 800488, 814450, 862064, 930800, 1000610, 1077580, 1303120, 1346975, 1400854, 1539400, 1565200, 1600976, 1628900, 2001220, 2155160, 2501525, 2693950, 2801708, 3078800, 3257800, 3502135, 4002440, 4310320, 5003050, 5387900, 5603416, 6515600, 7004270, 8004880, 10006100, 10775800, 11206832, 14008540, 17510675, 20012200, 21551600, 28017080, 35021350, 40024400, 56034160, 70042700, 140085400, 280170800]

約数ペア:

[(1, 280170800), (2, 140085400), (4, 70042700), (5, 56034160), (7, 40024400), (8, 35021350), (10, 28017080), (13, 21551600), (14, 20012200), (16, 17510675), (20, 14008540), (25, 11206832), (26, 10775800), (28, 10006100), (35, 8004880), (40, 7004270), (43, 6515600), (50, 5603416), (52, 5387900), (56, 5003050), (65, 4310320), (70, 4002440), (80, 3502135), (86, 3257800), (91, 3078800), (100, 2801708), (104, 2693950), (112, 2501525), (130, 2155160), (140, 2001220), (172, 1628900), (175, 1600976), (179, 1565200), (182, 1539400), (200, 1400854), (208, 1346975), (215, 1303120), (260, 1077580), (280, 1000610), (301, 930800), (325, 862064), (344, 814450), (350, 800488), (358, 782600), (364, 769700), (400, 700427), (430, 651560), (455, 615760), (520, 538790), (559, 501200), (560, 500305), (602, 465400), (650, 431032), (688, 407225), (700, 400244), (716, 391300), (728, 384850), (860, 325780), (895, 313040), (910, 307880), (1040, 269395), (1075, 260624), (1118, 250600), (1204, 232700), (1253, 223600), (1300, 215516), (1400, 200122), (1432, 195650), (1456, 192425), (1505, 186160), (1720, 162890), (1790, 156520), (1820, 153940), (2150, 130312), (2236, 125300), (2275, 123152), (2327, 120400), (2408, 116350), (2506, 111800), (2600, 107758), (2795, 100240), (2800, 100061), (2864, 97825), (3010, 93080), (3440, 81445), (3580, 78260), (3640, 76970), (3913, 71600), (4300, 65156), (4472, 62650), (4475, 62608), (4550, 61576), (4654, 60200), (4816, 58175), (5012, 55900), (5200, 53879), (5590, 50120), (6020, 46540), (6265, 44720), (7160, 39130), (7280, 38485), (7525, 37232), (7697, 36400), (7826, 35800), (8600, 32578), (8944, 31325), (8950, 31304), (9100, 30788), (9308, 30100), (10024, 27950), (11180, 25060), (11635, 24080), (12040, 23270), (12530, 22360), (13975, 20048), (14320, 19565), (15050, 18616), (15394, 18200), (15652, 17900), (16289, 17200)]