218377640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 600566400

約数和(自身を除く): 382188760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 31, 38, 40, 46, 52, 62, 65, 76, 92, 95, 104, 115, 124, 130, 152, 155, 184, 190, 230, 247, 248, 260, 299, 310, 380, 403, 437, 460, 494, 520, 589, 598, 620, 713, 760, 806, 874, 920, 961, 988, 1178, 1196, 1235, 1240, 1426, 1495, 1612, 1748, 1922, 1976, 2015, 2185, 2356, 2392, 2470, 2852, 2945, 2990, 3224, 3496, 3565, 3844, 4030, 4370, 4712, 4805, 4940, 5681, 5704, 5890, 5980, 7130, 7657, 7688, 8060, 8740, 9269, 9610, 9880, 11362, 11780, 11960, 12493, 13547, 14260, 15314, 16120, 17480, 18259, 18538, 19220, 22103, 22724, 23560, 24986, 27094, 28405, 28520, 30628, 36518, 37076, 38285, 38440, 44206, 45448, 46345, 49972, 54188, 56810, 61256, 62465, 67735, 73036, 74152, 76570, 88412, 91295, 92690, 99944, 108376, 110515, 113620, 124930, 135470, 146072, 153140, 176111, 176824, 182590, 185380, 221030, 227240, 237367, 249860, 270940, 287339, 306280, 352222, 365180, 370760, 419957, 442060, 474734, 499720, 541880, 574678, 704444, 730360, 839914, 880555, 884120, 949468, 1149356, 1186835, 1408888, 1436695, 1679828, 1761110, 1898936, 2099785, 2298712, 2373670, 2873390, 3359656, 3522220, 4199570, 4747340, 5459441, 5746780, 7044440, 8399140, 9494680, 10918882, 11493560, 16798280, 21837764, 27297205, 43675528, 54594410, 109188820, 218377640]

約数ペア:

[(1, 218377640), (2, 109188820), (4, 54594410), (5, 43675528), (8, 27297205), (10, 21837764), (13, 16798280), (19, 11493560), (20, 10918882), (23, 9494680), (26, 8399140), (31, 7044440), (38, 5746780), (40, 5459441), (46, 4747340), (52, 4199570), (62, 3522220), (65, 3359656), (76, 2873390), (92, 2373670), (95, 2298712), (104, 2099785), (115, 1898936), (124, 1761110), (130, 1679828), (152, 1436695), (155, 1408888), (184, 1186835), (190, 1149356), (230, 949468), (247, 884120), (248, 880555), (260, 839914), (299, 730360), (310, 704444), (380, 574678), (403, 541880), (437, 499720), (460, 474734), (494, 442060), (520, 419957), (589, 370760), (598, 365180), (620, 352222), (713, 306280), (760, 287339), (806, 270940), (874, 249860), (920, 237367), (961, 227240), (988, 221030), (1178, 185380), (1196, 182590), (1235, 176824), (1240, 176111), (1426, 153140), (1495, 146072), (1612, 135470), (1748, 124930), (1922, 113620), (1976, 110515), (2015, 108376), (2185, 99944), (2356, 92690), (2392, 91295), (2470, 88412), (2852, 76570), (2945, 74152), (2990, 73036), (3224, 67735), (3496, 62465), (3565, 61256), (3844, 56810), (4030, 54188), (4370, 49972), (4712, 46345), (4805, 45448), (4940, 44206), (5681, 38440), (5704, 38285), (5890, 37076), (5980, 36518), (7130, 30628), (7657, 28520), (7688, 28405), (8060, 27094), (8740, 24986), (9269, 23560), (9610, 22724), (9880, 22103), (11362, 19220), (11780, 18538), (11960, 18259), (12493, 17480), (13547, 16120), (14260, 15314)]