247654680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22679}}^1$

素因数の和:22713

約数の個数: 128

約数和(自身を含む): 914457600

約数和(自身を除く): 666802920

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, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 22679, 45358, 68037, 90716, 113395, 136074, 158753, 181432, 226790, 272148, 294827, 317506, 340185, 453580, 476259, 544296, 589654, 635012, 680370, 793765, 884481, 907160, 952518, 1179308, 1270024, 1360740, 1474135, 1587530, 1768962, 1905036, 2063789, 2358616, 2381295, 2721480, 2948270, 3175060, 3537924, 3810072, 4127578, 4422405, 4762590, 5896540, 6191367, 6350120, 7075848, 8255156, 8844810, 9525180, 10318945, 11793080, 12382734, 16510312, 17689620, 19050360, 20637890, 24765468, 30956835, 35379240, 41275780, 49530936, 61913670, 82551560, 123827340, 247654680]

約数ペア:

[(1, 247654680), (2, 123827340), (3, 82551560), (4, 61913670), (5, 49530936), (6, 41275780), (7, 35379240), (8, 30956835), (10, 24765468), (12, 20637890), (13, 19050360), (14, 17689620), (15, 16510312), (20, 12382734), (21, 11793080), (24, 10318945), (26, 9525180), (28, 8844810), (30, 8255156), (35, 7075848), (39, 6350120), (40, 6191367), (42, 5896540), (52, 4762590), (56, 4422405), (60, 4127578), (65, 3810072), (70, 3537924), (78, 3175060), (84, 2948270), (91, 2721480), (104, 2381295), (105, 2358616), (120, 2063789), (130, 1905036), (140, 1768962), (156, 1587530), (168, 1474135), (182, 1360740), (195, 1270024), (210, 1179308), (260, 952518), (273, 907160), (280, 884481), (312, 793765), (364, 680370), (390, 635012), (420, 589654), (455, 544296), (520, 476259), (546, 453580), (728, 340185), (780, 317506), (840, 294827), (910, 272148), (1092, 226790), (1365, 181432), (1560, 158753), (1820, 136074), (2184, 113395), (2730, 90716), (3640, 68037), (5460, 45358), (10920, 22679)]