281169720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:926

約数の個数: 192

約数和(自身を含む): 998786880

約数和(自身を除く): 717617160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 73, 78, 90, 104, 117, 120, 130, 146, 156, 180, 195, 219, 234, 260, 292, 312, 360, 365, 390, 438, 468, 520, 584, 585, 657, 730, 780, 823, 876, 936, 949, 1095, 1170, 1314, 1460, 1560, 1646, 1752, 1898, 2190, 2340, 2469, 2628, 2847, 2920, 3285, 3292, 3796, 4115, 4380, 4680, 4745, 4938, 5256, 5694, 6570, 6584, 7407, 7592, 8230, 8541, 8760, 9490, 9876, 10699, 11388, 12345, 13140, 14235, 14814, 16460, 17082, 18980, 19752, 21398, 22776, 24690, 26280, 28470, 29628, 32097, 32920, 34164, 37035, 37960, 42705, 42796, 49380, 53495, 56940, 59256, 60079, 64194, 68328, 74070, 85410, 85592, 96291, 98760, 106990, 113880, 120158, 128388, 148140, 160485, 170820, 180237, 192582, 213980, 240316, 256776, 296280, 300395, 320970, 341640, 360474, 385164, 427960, 480632, 481455, 540711, 600790, 641940, 720948, 770328, 781027, 901185, 962910, 1081422, 1201580, 1283880, 1441896, 1562054, 1802370, 1925820, 2162844, 2343081, 2403160, 2703555, 3124108, 3604740, 3851640, 3905135, 4325688, 4686162, 5407110, 6248216, 7029243, 7209480, 7810270, 9372324, 10814220, 11715405, 14058486, 15620540, 18744648, 21628440, 23430810, 28116972, 31241080, 35146215, 46861620, 56233944, 70292430, 93723240, 140584860, 281169720]

約数ペア:

[(1, 281169720), (2, 140584860), (3, 93723240), (4, 70292430), (5, 56233944), (6, 46861620), (8, 35146215), (9, 31241080), (10, 28116972), (12, 23430810), (13, 21628440), (15, 18744648), (18, 15620540), (20, 14058486), (24, 11715405), (26, 10814220), (30, 9372324), (36, 7810270), (39, 7209480), (40, 7029243), (45, 6248216), (52, 5407110), (60, 4686162), (65, 4325688), (72, 3905135), (73, 3851640), (78, 3604740), (90, 3124108), (104, 2703555), (117, 2403160), (120, 2343081), (130, 2162844), (146, 1925820), (156, 1802370), (180, 1562054), (195, 1441896), (219, 1283880), (234, 1201580), (260, 1081422), (292, 962910), (312, 901185), (360, 781027), (365, 770328), (390, 720948), (438, 641940), (468, 600790), (520, 540711), (584, 481455), (585, 480632), (657, 427960), (730, 385164), (780, 360474), (823, 341640), (876, 320970), (936, 300395), (949, 296280), (1095, 256776), (1170, 240316), (1314, 213980), (1460, 192582), (1560, 180237), (1646, 170820), (1752, 160485), (1898, 148140), (2190, 128388), (2340, 120158), (2469, 113880), (2628, 106990), (2847, 98760), (2920, 96291), (3285, 85592), (3292, 85410), (3796, 74070), (4115, 68328), (4380, 64194), (4680, 60079), (4745, 59256), (4938, 56940), (5256, 53495), (5694, 49380), (6570, 42796), (6584, 42705), (7407, 37960), (7592, 37035), (8230, 34164), (8541, 32920), (8760, 32097), (9490, 29628), (9876, 28470), (10699, 26280), (11388, 24690), (12345, 22776), (13140, 21398), (14235, 19752), (14814, 18980), (16460, 17082)]