198531480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1861}}^1$

素因数の和:2009

約数の個数: 128

約数和(自身を含む): 686407680

約数和(自身を除く): 487876200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1861, 1905, 2540, 2667, 3048, 3556, 3722, 3810, 4445, 5080, 5334, 5583, 7112, 7444, 7620, 8890, 9305, 10668, 11166, 13027, 13335, 14888, 15240, 17780, 18610, 21336, 22332, 26054, 26670, 27915, 35560, 37220, 39081, 44664, 52108, 53340, 55830, 65135, 74440, 78162, 104216, 106680, 111660, 130270, 156324, 195405, 223320, 236347, 260540, 312648, 390810, 472694, 521080, 709041, 781620, 945388, 1181735, 1418082, 1563240, 1654429, 1890776, 2363470, 2836164, 3308858, 3545205, 4726940, 4963287, 5672328, 6617716, 7090410, 8272145, 9453880, 9926574, 13235432, 14180820, 16544290, 19853148, 24816435, 28361640, 33088580, 39706296, 49632870, 66177160, 99265740, 198531480]

約数ペア:

[(1, 198531480), (2, 99265740), (3, 66177160), (4, 49632870), (5, 39706296), (6, 33088580), (7, 28361640), (8, 24816435), (10, 19853148), (12, 16544290), (14, 14180820), (15, 13235432), (20, 9926574), (21, 9453880), (24, 8272145), (28, 7090410), (30, 6617716), (35, 5672328), (40, 4963287), (42, 4726940), (56, 3545205), (60, 3308858), (70, 2836164), (84, 2363470), (105, 1890776), (120, 1654429), (127, 1563240), (140, 1418082), (168, 1181735), (210, 945388), (254, 781620), (280, 709041), (381, 521080), (420, 472694), (508, 390810), (635, 312648), (762, 260540), (840, 236347), (889, 223320), (1016, 195405), (1270, 156324), (1524, 130270), (1778, 111660), (1861, 106680), (1905, 104216), (2540, 78162), (2667, 74440), (3048, 65135), (3556, 55830), (3722, 53340), (3810, 52108), (4445, 44664), (5080, 39081), (5334, 37220), (5583, 35560), (7112, 27915), (7444, 26670), (7620, 26054), (8890, 22332), (9305, 21336), (10668, 18610), (11166, 17780), (13027, 15240), (13335, 14888)]