279104280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:514

約数の個数: 256

約数和(自身を含む): 1049932800

約数和(自身を除く): 770828520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 61, 65, 70, 78, 84, 91, 104, 105, 120, 122, 130, 140, 156, 168, 182, 183, 195, 210, 244, 260, 273, 280, 305, 312, 364, 366, 390, 419, 420, 427, 455, 488, 520, 546, 610, 728, 732, 780, 793, 838, 840, 854, 910, 915, 1092, 1220, 1257, 1281, 1365, 1464, 1560, 1586, 1676, 1708, 1820, 1830, 2095, 2135, 2184, 2379, 2440, 2514, 2562, 2730, 2933, 3172, 3352, 3416, 3640, 3660, 3965, 4190, 4270, 4758, 5028, 5124, 5447, 5460, 5551, 5866, 6285, 6344, 6405, 7320, 7930, 8380, 8540, 8799, 9516, 10056, 10248, 10894, 10920, 11102, 11732, 11895, 12570, 12810, 14665, 15860, 16341, 16653, 16760, 17080, 17598, 19032, 21788, 22204, 23464, 23790, 25140, 25559, 25620, 27235, 27755, 29330, 31720, 32682, 33306, 35196, 38129, 43576, 43995, 44408, 47580, 50280, 51118, 51240, 54470, 55510, 58660, 65364, 66612, 70392, 76258, 76677, 81705, 83265, 87990, 95160, 102236, 108940, 111020, 114387, 117320, 127795, 130728, 133224, 152516, 153354, 163410, 166530, 175980, 178913, 190645, 204472, 217880, 222040, 228774, 255590, 305032, 306708, 326820, 332267, 333060, 351960, 357826, 381290, 383385, 457548, 511180, 536739, 571935, 613416, 653640, 664534, 666120, 715652, 762580, 766770, 894565, 915096, 996801, 1022360, 1073478, 1143870, 1329068, 1431304, 1525160, 1533540, 1661335, 1789130, 1993602, 2146956, 2287740, 2325869, 2658136, 2683695, 3067080, 3322670, 3578260, 3987204, 4293912, 4575480, 4651738, 4984005, 5367390, 6645340, 6977607, 7156520, 7974408, 9303476, 9968010, 10734780, 11629345, 13290680, 13955214, 18606952, 19936020, 21469560, 23258690, 27910428, 34888035, 39872040, 46517380, 55820856, 69776070, 93034760, 139552140, 279104280]

約数ペア:

[(1, 279104280), (2, 139552140), (3, 93034760), (4, 69776070), (5, 55820856), (6, 46517380), (7, 39872040), (8, 34888035), (10, 27910428), (12, 23258690), (13, 21469560), (14, 19936020), (15, 18606952), (20, 13955214), (21, 13290680), (24, 11629345), (26, 10734780), (28, 9968010), (30, 9303476), (35, 7974408), (39, 7156520), (40, 6977607), (42, 6645340), (52, 5367390), (56, 4984005), (60, 4651738), (61, 4575480), (65, 4293912), (70, 3987204), (78, 3578260), (84, 3322670), (91, 3067080), (104, 2683695), (105, 2658136), (120, 2325869), (122, 2287740), (130, 2146956), (140, 1993602), (156, 1789130), (168, 1661335), (182, 1533540), (183, 1525160), (195, 1431304), (210, 1329068), (244, 1143870), (260, 1073478), (273, 1022360), (280, 996801), (305, 915096), (312, 894565), (364, 766770), (366, 762580), (390, 715652), (419, 666120), (420, 664534), (427, 653640), (455, 613416), (488, 571935), (520, 536739), (546, 511180), (610, 457548), (728, 383385), (732, 381290), (780, 357826), (793, 351960), (838, 333060), (840, 332267), (854, 326820), (910, 306708), (915, 305032), (1092, 255590), (1220, 228774), (1257, 222040), (1281, 217880), (1365, 204472), (1464, 190645), (1560, 178913), (1586, 175980), (1676, 166530), (1708, 163410), (1820, 153354), (1830, 152516), (2095, 133224), (2135, 130728), (2184, 127795), (2379, 117320), (2440, 114387), (2514, 111020), (2562, 108940), (2730, 102236), (2933, 95160), (3172, 87990), (3352, 83265), (3416, 81705), (3640, 76677), (3660, 76258), (3965, 70392), (4190, 66612), (4270, 65364), (4758, 58660), (5028, 55510), (5124, 54470), (5447, 51240), (5460, 51118), (5551, 50280), (5866, 47580), (6285, 44408), (6344, 43995), (6405, 43576), (7320, 38129), (7930, 35196), (8380, 33306), (8540, 32682), (8799, 31720), (9516, 29330), (10056, 27755), (10248, 27235), (10894, 25620), (10920, 25559), (11102, 25140), (11732, 23790), (11895, 23464), (12570, 22204), (12810, 21788), (14665, 19032), (15860, 17598), (16341, 17080), (16653, 16760)]