311977120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3061}}^1$

素因数の和:3103

約数の個数: 144

約数和(自身を含む): 923633928

約数和(自身を除く): 611656808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2080, 2548, 2912, 3061, 3185, 3640, 3920, 5096, 6122, 6370, 7280, 7840, 10192, 12244, 12740, 14560, 15305, 20384, 21427, 24488, 25480, 30610, 39793, 42854, 48976, 50960, 61220, 79586, 85708, 97952, 101920, 107135, 122440, 149989, 159172, 171416, 198965, 214270, 244880, 278551, 299978, 318344, 342832, 397930, 428540, 489760, 557102, 599956, 636688, 685664, 749945, 795860, 857080, 1114204, 1199912, 1273376, 1392755, 1499890, 1591720, 1714160, 1949857, 2228408, 2399824, 2785510, 2999780, 3183440, 3428320, 3899714, 4456816, 4799648, 5571020, 5999560, 6366880, 7799428, 8913632, 9749285, 11142040, 11999120, 15598856, 19498570, 22284080, 23998240, 31197712, 38997140, 44568160, 62395424, 77994280, 155988560, 311977120]

約数ペア:

[(1, 311977120), (2, 155988560), (4, 77994280), (5, 62395424), (7, 44568160), (8, 38997140), (10, 31197712), (13, 23998240), (14, 22284080), (16, 19498570), (20, 15598856), (26, 11999120), (28, 11142040), (32, 9749285), (35, 8913632), (40, 7799428), (49, 6366880), (52, 5999560), (56, 5571020), (65, 4799648), (70, 4456816), (80, 3899714), (91, 3428320), (98, 3183440), (104, 2999780), (112, 2785510), (130, 2399824), (140, 2228408), (160, 1949857), (182, 1714160), (196, 1591720), (208, 1499890), (224, 1392755), (245, 1273376), (260, 1199912), (280, 1114204), (364, 857080), (392, 795860), (416, 749945), (455, 685664), (490, 636688), (520, 599956), (560, 557102), (637, 489760), (728, 428540), (784, 397930), (910, 342832), (980, 318344), (1040, 299978), (1120, 278551), (1274, 244880), (1456, 214270), (1568, 198965), (1820, 171416), (1960, 159172), (2080, 149989), (2548, 122440), (2912, 107135), (3061, 101920), (3185, 97952), (3640, 85708), (3920, 79586), (5096, 61220), (6122, 50960), (6370, 48976), (7280, 42854), (7840, 39793), (10192, 30610), (12244, 25480), (12740, 24488), (14560, 21427), (15305, 20384)]