2640905960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{353}}^1$

素因数の和:736

約数の個数: 192

約数和(自身を含む): 7583699520

約数和(自身を除く): 4942793560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 347, 353, 385, 392, 440, 490, 539, 616, 694, 706, 770, 980, 1078, 1388, 1412, 1540, 1735, 1765, 1960, 2156, 2429, 2471, 2695, 2776, 2824, 3080, 3470, 3530, 3817, 3883, 4312, 4858, 4942, 5390, 6940, 7060, 7634, 7766, 9716, 9884, 10780, 12145, 12355, 13880, 14120, 15268, 15532, 17003, 17297, 19085, 19415, 19432, 19768, 21560, 24290, 24710, 26719, 27181, 30536, 31064, 34006, 34594, 38170, 38830, 48580, 49420, 53438, 54362, 68012, 69188, 76340, 77660, 85015, 86485, 97160, 98840, 106876, 108724, 122491, 133595, 135905, 136024, 138376, 152680, 155320, 170030, 172970, 187033, 190267, 213752, 217448, 244982, 267190, 271810, 340060, 345940, 374066, 380534, 489964, 534380, 543620, 612455, 680120, 691880, 748132, 761068, 857437, 935165, 951335, 979928, 1068760, 1087240, 1224910, 1347401, 1496264, 1522136, 1714874, 1870330, 1902670, 2449820, 2694802, 3429748, 3740660, 3805340, 4287185, 4899640, 5389604, 6002059, 6737005, 6859496, 7481320, 7610680, 8574370, 9431807, 10779208, 12004118, 13474010, 17148740, 18863614, 24008236, 26948020, 30010295, 34297480, 37727228, 47159035, 48016472, 53896040, 60020590, 66022649, 75454456, 94318070, 120041180, 132045298, 188636140, 240082360, 264090596, 330113245, 377272280, 528181192, 660226490, 1320452980, 2640905960]

約数ペア:

[(1, 2640905960), (2, 1320452980), (4, 660226490), (5, 528181192), (7, 377272280), (8, 330113245), (10, 264090596), (11, 240082360), (14, 188636140), (20, 132045298), (22, 120041180), (28, 94318070), (35, 75454456), (40, 66022649), (44, 60020590), (49, 53896040), (55, 48016472), (56, 47159035), (70, 37727228), (77, 34297480), (88, 30010295), (98, 26948020), (110, 24008236), (140, 18863614), (154, 17148740), (196, 13474010), (220, 12004118), (245, 10779208), (280, 9431807), (308, 8574370), (347, 7610680), (353, 7481320), (385, 6859496), (392, 6737005), (440, 6002059), (490, 5389604), (539, 4899640), (616, 4287185), (694, 3805340), (706, 3740660), (770, 3429748), (980, 2694802), (1078, 2449820), (1388, 1902670), (1412, 1870330), (1540, 1714874), (1735, 1522136), (1765, 1496264), (1960, 1347401), (2156, 1224910), (2429, 1087240), (2471, 1068760), (2695, 979928), (2776, 951335), (2824, 935165), (3080, 857437), (3470, 761068), (3530, 748132), (3817, 691880), (3883, 680120), (4312, 612455), (4858, 543620), (4942, 534380), (5390, 489964), (6940, 380534), (7060, 374066), (7634, 345940), (7766, 340060), (9716, 271810), (9884, 267190), (10780, 244982), (12145, 217448), (12355, 213752), (13880, 190267), (14120, 187033), (15268, 172970), (15532, 170030), (17003, 155320), (17297, 152680), (19085, 138376), (19415, 136024), (19432, 135905), (19768, 133595), (21560, 122491), (24290, 108724), (24710, 106876), (26719, 98840), (27181, 97160), (30536, 86485), (31064, 85015), (34006, 77660), (34594, 76340), (38170, 69188), (38830, 68012), (48580, 54362), (49420, 53438)]