251210520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 288

約数和(自身を含む): 921211200

約数和(自身を除く): 670000680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 73, 79, 88, 90, 99, 110, 120, 121, 132, 146, 158, 165, 180, 198, 219, 220, 237, 242, 264, 292, 316, 330, 360, 363, 365, 395, 396, 438, 440, 474, 484, 495, 584, 605, 632, 657, 660, 711, 726, 730, 790, 792, 803, 869, 876, 948, 968, 990, 1089, 1095, 1185, 1210, 1314, 1320, 1422, 1452, 1460, 1580, 1606, 1738, 1752, 1815, 1896, 1980, 2178, 2190, 2370, 2409, 2420, 2607, 2628, 2844, 2904, 2920, 3160, 3212, 3285, 3476, 3555, 3630, 3960, 4015, 4345, 4356, 4380, 4740, 4818, 4840, 5214, 5256, 5445, 5688, 5767, 6424, 6570, 6952, 7110, 7227, 7260, 7821, 8030, 8690, 8712, 8760, 8833, 9480, 9559, 9636, 10428, 10890, 11534, 12045, 13035, 13140, 14220, 14454, 14520, 15642, 16060, 17301, 17380, 17666, 19118, 19272, 20856, 21780, 23068, 24090, 26070, 26280, 26499, 28440, 28677, 28835, 28908, 31284, 32120, 34602, 34760, 35332, 36135, 38236, 39105, 43560, 44165, 46136, 47795, 48180, 51903, 52140, 52998, 57354, 57670, 57816, 62568, 63437, 69204, 70664, 72270, 76472, 78210, 79497, 86031, 86505, 88330, 95590, 96360, 103806, 104280, 105996, 114708, 115340, 126874, 132495, 138408, 143385, 144540, 156420, 158994, 172062, 173010, 176660, 190311, 191180, 207612, 211992, 229416, 230680, 253748, 259515, 264990, 286770, 289080, 312840, 317185, 317988, 344124, 346020, 353320, 380622, 382360, 397485, 415224, 430155, 507496, 519030, 529980, 570933, 573540, 634370, 635976, 688248, 692040, 697807, 761244, 794970, 860310, 951555, 1038060, 1059960, 1141866, 1147080, 1268740, 1395614, 1522488, 1589940, 1720620, 1903110, 2076120, 2093421, 2283732, 2537480, 2791228, 2854665, 3179880, 3441240, 3489035, 3806220, 4186842, 4567464, 5582456, 5709330, 6280263, 6978070, 7612440, 8373684, 10467105, 11418660, 12560526, 13956140, 16747368, 20934210, 22837320, 25121052, 27912280, 31401315, 41868420, 50242104, 62802630, 83736840, 125605260, 251210520]

約数ペア:

[(1, 251210520), (2, 125605260), (3, 83736840), (4, 62802630), (5, 50242104), (6, 41868420), (8, 31401315), (9, 27912280), (10, 25121052), (11, 22837320), (12, 20934210), (15, 16747368), (18, 13956140), (20, 12560526), (22, 11418660), (24, 10467105), (30, 8373684), (33, 7612440), (36, 6978070), (40, 6280263), (44, 5709330), (45, 5582456), (55, 4567464), (60, 4186842), (66, 3806220), (72, 3489035), (73, 3441240), (79, 3179880), (88, 2854665), (90, 2791228), (99, 2537480), (110, 2283732), (120, 2093421), (121, 2076120), (132, 1903110), (146, 1720620), (158, 1589940), (165, 1522488), (180, 1395614), (198, 1268740), (219, 1147080), (220, 1141866), (237, 1059960), (242, 1038060), (264, 951555), (292, 860310), (316, 794970), (330, 761244), (360, 697807), (363, 692040), (365, 688248), (395, 635976), (396, 634370), (438, 573540), (440, 570933), (474, 529980), (484, 519030), (495, 507496), (584, 430155), (605, 415224), (632, 397485), (657, 382360), (660, 380622), (711, 353320), (726, 346020), (730, 344124), (790, 317988), (792, 317185), (803, 312840), (869, 289080), (876, 286770), (948, 264990), (968, 259515), (990, 253748), (1089, 230680), (1095, 229416), (1185, 211992), (1210, 207612), (1314, 191180), (1320, 190311), (1422, 176660), (1452, 173010), (1460, 172062), (1580, 158994), (1606, 156420), (1738, 144540), (1752, 143385), (1815, 138408), (1896, 132495), (1980, 126874), (2178, 115340), (2190, 114708), (2370, 105996), (2409, 104280), (2420, 103806), (2607, 96360), (2628, 95590), (2844, 88330), (2904, 86505), (2920, 86031), (3160, 79497), (3212, 78210), (3285, 76472), (3476, 72270), (3555, 70664), (3630, 69204), (3960, 63437), (4015, 62568), (4345, 57816), (4356, 57670), (4380, 57354), (4740, 52998), (4818, 52140), (4840, 51903), (5214, 48180), (5256, 47795), (5445, 46136), (5688, 44165), (5767, 43560), (6424, 39105), (6570, 38236), (6952, 36135), (7110, 35332), (7227, 34760), (7260, 34602), (7821, 32120), (8030, 31284), (8690, 28908), (8712, 28835), (8760, 28677), (8833, 28440), (9480, 26499), (9559, 26280), (9636, 26070), (10428, 24090), (10890, 23068), (11534, 21780), (12045, 20856), (13035, 19272), (13140, 19118), (14220, 17666), (14454, 17380), (14520, 17301), (15642, 16060)]