128689680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:414

約数の個数: 240

約数和(自身を含む): 480397824

約数和(自身を除く): 351708144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 353, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 706, 735, 744, 784, 840, 868, 930, 980, 1059, 1085, 1176, 1240, 1302, 1412, 1470, 1488, 1519, 1680, 1736, 1765, 1860, 1960, 2118, 2170, 2352, 2471, 2480, 2604, 2824, 2940, 3038, 3255, 3472, 3530, 3720, 3920, 4236, 4340, 4557, 4942, 5208, 5295, 5648, 5880, 6076, 6510, 7060, 7413, 7440, 7595, 8472, 8680, 9114, 9884, 10416, 10590, 10943, 11760, 12152, 12355, 13020, 14120, 14826, 15190, 16944, 17297, 17360, 18228, 19768, 21180, 21886, 22785, 24304, 24710, 26040, 28240, 29652, 30380, 32829, 34594, 36456, 37065, 39536, 42360, 43772, 45570, 49420, 51891, 52080, 54715, 59304, 60760, 65658, 69188, 72912, 74130, 76601, 84720, 86485, 87544, 91140, 98840, 103782, 109430, 118608, 121520, 131316, 138376, 148260, 153202, 164145, 172970, 175088, 182280, 197680, 207564, 218860, 229803, 259455, 262632, 276752, 296520, 306404, 328290, 345940, 364560, 383005, 415128, 437720, 459606, 518910, 525264, 536207, 593040, 612808, 656580, 691880, 766010, 830256, 875440, 919212, 1037820, 1072414, 1149015, 1225616, 1313160, 1383760, 1532020, 1608621, 1838424, 2075640, 2144828, 2298030, 2626320, 2681035, 3064040, 3217242, 3676848, 4151280, 4289656, 4596060, 5362070, 6128080, 6434484, 8043105, 8579312, 9192120, 10724140, 12868968, 16086210, 18384240, 21448280, 25737936, 32172420, 42896560, 64344840, 128689680]

約数ペア:

[(1, 128689680), (2, 64344840), (3, 42896560), (4, 32172420), (5, 25737936), (6, 21448280), (7, 18384240), (8, 16086210), (10, 12868968), (12, 10724140), (14, 9192120), (15, 8579312), (16, 8043105), (20, 6434484), (21, 6128080), (24, 5362070), (28, 4596060), (30, 4289656), (31, 4151280), (35, 3676848), (40, 3217242), (42, 3064040), (48, 2681035), (49, 2626320), (56, 2298030), (60, 2144828), (62, 2075640), (70, 1838424), (80, 1608621), (84, 1532020), (93, 1383760), (98, 1313160), (105, 1225616), (112, 1149015), (120, 1072414), (124, 1037820), (140, 919212), (147, 875440), (155, 830256), (168, 766010), (186, 691880), (196, 656580), (210, 612808), (217, 593040), (240, 536207), (245, 525264), (248, 518910), (280, 459606), (294, 437720), (310, 415128), (336, 383005), (353, 364560), (372, 345940), (392, 328290), (420, 306404), (434, 296520), (465, 276752), (490, 262632), (496, 259455), (560, 229803), (588, 218860), (620, 207564), (651, 197680), (706, 182280), (735, 175088), (744, 172970), (784, 164145), (840, 153202), (868, 148260), (930, 138376), (980, 131316), (1059, 121520), (1085, 118608), (1176, 109430), (1240, 103782), (1302, 98840), (1412, 91140), (1470, 87544), (1488, 86485), (1519, 84720), (1680, 76601), (1736, 74130), (1765, 72912), (1860, 69188), (1960, 65658), (2118, 60760), (2170, 59304), (2352, 54715), (2471, 52080), (2480, 51891), (2604, 49420), (2824, 45570), (2940, 43772), (3038, 42360), (3255, 39536), (3472, 37065), (3530, 36456), (3720, 34594), (3920, 32829), (4236, 30380), (4340, 29652), (4557, 28240), (4942, 26040), (5208, 24710), (5295, 24304), (5648, 22785), (5880, 21886), (6076, 21180), (6510, 19768), (7060, 18228), (7413, 17360), (7440, 17297), (7595, 16944), (8472, 15190), (8680, 14826), (9114, 14120), (9884, 13020), (10416, 12355), (10590, 12152), (10943, 11760)]