641105808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 2030495040

約数和(自身を除く): 1389389232

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 49, 53, 56, 74, 84, 98, 106, 111, 112, 139, 147, 148, 159, 168, 196, 212, 222, 259, 278, 294, 296, 318, 336, 371, 392, 417, 424, 444, 518, 556, 588, 592, 636, 742, 777, 784, 834, 848, 888, 973, 1036, 1112, 1113, 1176, 1272, 1484, 1554, 1668, 1776, 1813, 1946, 1961, 2072, 2224, 2226, 2352, 2544, 2597, 2919, 2968, 3108, 3336, 3626, 3892, 3922, 4144, 4452, 5143, 5194, 5439, 5838, 5883, 5936, 6216, 6672, 6811, 7252, 7367, 7784, 7791, 7844, 8904, 10286, 10388, 10878, 11676, 11766, 12432, 13622, 13727, 14504, 14734, 15429, 15568, 15582, 15688, 17808, 20433, 20572, 20776, 21756, 22101, 23352, 23532, 27244, 27454, 29008, 29468, 30858, 31164, 31376, 36001, 40866, 41144, 41181, 41552, 43512, 44202, 46704, 47064, 51569, 54488, 54908, 58936, 61716, 62328, 72002, 81732, 82288, 82362, 87024, 88404, 94128, 96089, 103138, 108003, 108976, 109816, 117872, 123432, 124656, 144004, 154707, 163464, 164724, 176808, 192178, 206276, 216006, 219632, 246864, 252007, 272579, 288008, 288267, 309414, 326928, 329448, 353616, 360983, 384356, 412552, 432012, 504014, 545158, 576016, 576534, 618828, 658896, 721966, 756021, 768712, 817737, 825104, 864024, 1008028, 1082949, 1090316, 1153068, 1237656, 1443932, 1512042, 1537424, 1635474, 1728048, 1908053, 2016056, 2165898, 2180632, 2306136, 2475312, 2887864, 3024084, 3270948, 3816106, 4032112, 4331796, 4361264, 4612272, 5724159, 5775728, 6048168, 6541896, 7632212, 8663592, 11448318, 12096336, 13083792, 13356371, 15264424, 17327184, 22896636, 26712742, 30528848, 40069113, 45793272, 53425484, 80138226, 91586544, 106850968, 160276452, 213701936, 320552904, 641105808]

約数ペア:

[(1, 641105808), (2, 320552904), (3, 213701936), (4, 160276452), (6, 106850968), (7, 91586544), (8, 80138226), (12, 53425484), (14, 45793272), (16, 40069113), (21, 30528848), (24, 26712742), (28, 22896636), (37, 17327184), (42, 15264424), (48, 13356371), (49, 13083792), (53, 12096336), (56, 11448318), (74, 8663592), (84, 7632212), (98, 6541896), (106, 6048168), (111, 5775728), (112, 5724159), (139, 4612272), (147, 4361264), (148, 4331796), (159, 4032112), (168, 3816106), (196, 3270948), (212, 3024084), (222, 2887864), (259, 2475312), (278, 2306136), (294, 2180632), (296, 2165898), (318, 2016056), (336, 1908053), (371, 1728048), (392, 1635474), (417, 1537424), (424, 1512042), (444, 1443932), (518, 1237656), (556, 1153068), (588, 1090316), (592, 1082949), (636, 1008028), (742, 864024), (777, 825104), (784, 817737), (834, 768712), (848, 756021), (888, 721966), (973, 658896), (1036, 618828), (1112, 576534), (1113, 576016), (1176, 545158), (1272, 504014), (1484, 432012), (1554, 412552), (1668, 384356), (1776, 360983), (1813, 353616), (1946, 329448), (1961, 326928), (2072, 309414), (2224, 288267), (2226, 288008), (2352, 272579), (2544, 252007), (2597, 246864), (2919, 219632), (2968, 216006), (3108, 206276), (3336, 192178), (3626, 176808), (3892, 164724), (3922, 163464), (4144, 154707), (4452, 144004), (5143, 124656), (5194, 123432), (5439, 117872), (5838, 109816), (5883, 108976), (5936, 108003), (6216, 103138), (6672, 96089), (6811, 94128), (7252, 88404), (7367, 87024), (7784, 82362), (7791, 82288), (7844, 81732), (8904, 72002), (10286, 62328), (10388, 61716), (10878, 58936), (11676, 54908), (11766, 54488), (12432, 51569), (13622, 47064), (13727, 46704), (14504, 44202), (14734, 43512), (15429, 41552), (15568, 41181), (15582, 41144), (15688, 40866), (17808, 36001), (20433, 31376), (20572, 31164), (20776, 30858), (21756, 29468), (22101, 29008), (23352, 27454), (23532, 27244)]