63808080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 160

約数和(自身を含む): 238080000

約数和(自身を除く): 174271920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 1999, 2128, 2280, 2660, 3192, 3990, 3998, 4560, 5320, 5997, 6384, 7980, 7996, 9995, 10640, 11994, 13993, 15960, 15992, 19990, 23988, 27986, 29985, 31920, 31984, 37981, 39980, 41979, 47976, 55972, 59970, 69965, 75962, 79960, 83958, 95952, 111944, 113943, 119940, 139930, 151924, 159920, 167916, 189905, 209895, 223888, 227886, 239880, 265867, 279860, 303848, 335832, 379810, 419790, 455772, 479760, 531734, 559720, 569715, 607696, 671664, 759620, 797601, 839580, 911544, 1063468, 1119440, 1139430, 1329335, 1519240, 1595202, 1679160, 1823088, 2126936, 2278860, 2658670, 3038480, 3190404, 3358320, 3988005, 4253872, 4557720, 5317340, 6380808, 7976010, 9115440, 10634680, 12761616, 15952020, 21269360, 31904040, 63808080]

約数ペア:

[(1, 63808080), (2, 31904040), (3, 21269360), (4, 15952020), (5, 12761616), (6, 10634680), (7, 9115440), (8, 7976010), (10, 6380808), (12, 5317340), (14, 4557720), (15, 4253872), (16, 3988005), (19, 3358320), (20, 3190404), (21, 3038480), (24, 2658670), (28, 2278860), (30, 2126936), (35, 1823088), (38, 1679160), (40, 1595202), (42, 1519240), (48, 1329335), (56, 1139430), (57, 1119440), (60, 1063468), (70, 911544), (76, 839580), (80, 797601), (84, 759620), (95, 671664), (105, 607696), (112, 569715), (114, 559720), (120, 531734), (133, 479760), (140, 455772), (152, 419790), (168, 379810), (190, 335832), (210, 303848), (228, 279860), (240, 265867), (266, 239880), (280, 227886), (285, 223888), (304, 209895), (336, 189905), (380, 167916), (399, 159920), (420, 151924), (456, 139930), (532, 119940), (560, 113943), (570, 111944), (665, 95952), (760, 83958), (798, 79960), (840, 75962), (912, 69965), (1064, 59970), (1140, 55972), (1330, 47976), (1520, 41979), (1596, 39980), (1680, 37981), (1995, 31984), (1999, 31920), (2128, 29985), (2280, 27986), (2660, 23988), (3192, 19990), (3990, 15992), (3998, 15960), (4560, 13993), (5320, 11994), (5997, 10640), (6384, 9995), (7980, 7996)]