665677160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:883

約数の個数: 128

約数和(自身を含む): 1696464000

約数和(自身を除く): 1030786840

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 67, 68, 76, 85, 95, 134, 136, 152, 170, 190, 268, 323, 335, 340, 380, 536, 646, 670, 680, 760, 769, 1139, 1273, 1292, 1340, 1538, 1615, 2278, 2546, 2584, 2680, 3076, 3230, 3845, 4556, 5092, 5695, 6152, 6365, 6460, 7690, 9112, 10184, 11390, 12730, 12920, 13073, 14611, 15380, 21641, 22780, 25460, 26146, 29222, 30760, 43282, 45560, 50920, 51523, 52292, 58444, 65365, 73055, 86564, 103046, 104584, 108205, 116888, 130730, 146110, 173128, 206092, 216410, 248387, 257615, 261460, 292220, 412184, 432820, 496774, 515230, 522920, 584440, 865640, 875891, 978937, 993548, 1030460, 1241935, 1751782, 1957874, 1987096, 2060920, 2483870, 3503564, 3915748, 4379455, 4894685, 4967740, 7007128, 7831496, 8758910, 9789370, 9935480, 16641929, 17517820, 19578740, 33283858, 35035640, 39157480, 66567716, 83209645, 133135432, 166419290, 332838580, 665677160]

約数ペア:

[(1, 665677160), (2, 332838580), (4, 166419290), (5, 133135432), (8, 83209645), (10, 66567716), (17, 39157480), (19, 35035640), (20, 33283858), (34, 19578740), (38, 17517820), (40, 16641929), (67, 9935480), (68, 9789370), (76, 8758910), (85, 7831496), (95, 7007128), (134, 4967740), (136, 4894685), (152, 4379455), (170, 3915748), (190, 3503564), (268, 2483870), (323, 2060920), (335, 1987096), (340, 1957874), (380, 1751782), (536, 1241935), (646, 1030460), (670, 993548), (680, 978937), (760, 875891), (769, 865640), (1139, 584440), (1273, 522920), (1292, 515230), (1340, 496774), (1538, 432820), (1615, 412184), (2278, 292220), (2546, 261460), (2584, 257615), (2680, 248387), (3076, 216410), (3230, 206092), (3845, 173128), (4556, 146110), (5092, 130730), (5695, 116888), (6152, 108205), (6365, 104584), (6460, 103046), (7690, 86564), (9112, 73055), (10184, 65365), (11390, 58444), (12730, 52292), (12920, 51523), (13073, 50920), (14611, 45560), (15380, 43282), (21641, 30760), (22780, 29222), (25460, 26146)]