208939920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 765040320

約数和(自身を除く): 556100400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 109, 112, 120, 140, 147, 163, 168, 196, 210, 218, 240, 245, 280, 294, 326, 327, 336, 392, 420, 436, 489, 490, 545, 560, 588, 652, 654, 735, 763, 784, 815, 840, 872, 978, 980, 1090, 1141, 1176, 1304, 1308, 1470, 1526, 1630, 1635, 1680, 1744, 1956, 1960, 2180, 2282, 2289, 2352, 2445, 2608, 2616, 2940, 3052, 3260, 3270, 3423, 3815, 3912, 3920, 4360, 4564, 4578, 4890, 5232, 5341, 5705, 5880, 6104, 6520, 6540, 6846, 7630, 7824, 7987, 8720, 9128, 9156, 9780, 10682, 11410, 11445, 11760, 12208, 13040, 13080, 13692, 15260, 15974, 16023, 17115, 17767, 18256, 18312, 19560, 21364, 22820, 22890, 23961, 26160, 26705, 27384, 30520, 31948, 32046, 34230, 35534, 36624, 39120, 39935, 42728, 45640, 45780, 47922, 53301, 53410, 54768, 61040, 63896, 64092, 68460, 71068, 79870, 80115, 85456, 88835, 91280, 91560, 95844, 106602, 106820, 119805, 124369, 127792, 128184, 136920, 142136, 159740, 160230, 177670, 183120, 191688, 213204, 213640, 239610, 248738, 256368, 266505, 273840, 284272, 319480, 320460, 355340, 373107, 383376, 426408, 427280, 479220, 497476, 533010, 621845, 638960, 640920, 710680, 746214, 852816, 870583, 958440, 994952, 1066020, 1243690, 1281840, 1421360, 1492428, 1741166, 1865535, 1916880, 1989904, 2132040, 2487380, 2611749, 2984856, 3482332, 3731070, 4264080, 4352915, 4974760, 5223498, 5969712, 6964664, 7462140, 8705830, 9949520, 10446996, 13058745, 13929328, 14924280, 17411660, 20893992, 26117490, 29848560, 34823320, 41787984, 52234980, 69646640, 104469960, 208939920]

約数ペア:

[(1, 208939920), (2, 104469960), (3, 69646640), (4, 52234980), (5, 41787984), (6, 34823320), (7, 29848560), (8, 26117490), (10, 20893992), (12, 17411660), (14, 14924280), (15, 13929328), (16, 13058745), (20, 10446996), (21, 9949520), (24, 8705830), (28, 7462140), (30, 6964664), (35, 5969712), (40, 5223498), (42, 4974760), (48, 4352915), (49, 4264080), (56, 3731070), (60, 3482332), (70, 2984856), (80, 2611749), (84, 2487380), (98, 2132040), (105, 1989904), (109, 1916880), (112, 1865535), (120, 1741166), (140, 1492428), (147, 1421360), (163, 1281840), (168, 1243690), (196, 1066020), (210, 994952), (218, 958440), (240, 870583), (245, 852816), (280, 746214), (294, 710680), (326, 640920), (327, 638960), (336, 621845), (392, 533010), (420, 497476), (436, 479220), (489, 427280), (490, 426408), (545, 383376), (560, 373107), (588, 355340), (652, 320460), (654, 319480), (735, 284272), (763, 273840), (784, 266505), (815, 256368), (840, 248738), (872, 239610), (978, 213640), (980, 213204), (1090, 191688), (1141, 183120), (1176, 177670), (1304, 160230), (1308, 159740), (1470, 142136), (1526, 136920), (1630, 128184), (1635, 127792), (1680, 124369), (1744, 119805), (1956, 106820), (1960, 106602), (2180, 95844), (2282, 91560), (2289, 91280), (2352, 88835), (2445, 85456), (2608, 80115), (2616, 79870), (2940, 71068), (3052, 68460), (3260, 64092), (3270, 63896), (3423, 61040), (3815, 54768), (3912, 53410), (3920, 53301), (4360, 47922), (4564, 45780), (4578, 45640), (4890, 42728), (5232, 39935), (5341, 39120), (5705, 36624), (5880, 35534), (6104, 34230), (6520, 32046), (6540, 31948), (6846, 30520), (7630, 27384), (7824, 26705), (7987, 26160), (8720, 23961), (9128, 22890), (9156, 22820), (9780, 21364), (10682, 19560), (11410, 18312), (11445, 18256), (11760, 17767), (12208, 17115), (13040, 16023), (13080, 15974), (13692, 15260)]