31469760

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{223}}^1$

素因数の和:260

約数の個数: 252

約数和(自身を含む): 126479808

約数和(自身を除く): 95010048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 223, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 446, 448, 480, 490, 504, 560, 576, 588, 630, 669, 672, 720, 735, 784, 840, 882, 892, 960, 980, 1008, 1115, 1120, 1176, 1260, 1338, 1344, 1440, 1470, 1561, 1568, 1680, 1764, 1784, 1960, 2007, 2016, 2205, 2230, 2240, 2352, 2520, 2676, 2880, 2940, 3122, 3136, 3345, 3360, 3528, 3568, 3920, 4014, 4032, 4410, 4460, 4683, 4704, 5040, 5352, 5880, 6244, 6690, 6720, 7056, 7136, 7805, 7840, 8028, 8820, 8920, 9366, 9408, 10035, 10080, 10704, 10927, 11760, 12488, 13380, 14049, 14112, 14272, 15610, 15680, 16056, 17640, 17840, 18732, 20070, 20160, 21408, 21854, 23415, 23520, 24976, 26760, 28098, 28224, 31220, 32112, 32781, 35280, 35680, 37464, 40140, 42816, 43708, 46830, 47040, 49952, 53520, 54635, 56196, 62440, 64224, 65562, 70245, 70560, 71360, 74928, 80280, 87416, 93660, 98343, 99904, 107040, 109270, 112392, 124880, 128448, 131124, 140490, 141120, 149856, 160560, 163905, 174832, 187320, 196686, 214080, 218540, 224784, 249760, 262248, 280980, 299712, 321120, 327810, 349664, 374640, 393372, 437080, 449568, 491715, 499520, 524496, 561960, 642240, 655620, 699328, 749280, 786744, 874160, 899136, 983430, 1048992, 1123920, 1311240, 1498560, 1573488, 1748320, 1966860, 2097984, 2247840, 2622480, 3146976, 3496640, 3933720, 4495680, 5244960, 6293952, 7867440, 10489920, 15734880, 31469760]

約数ペア:

[(1, 31469760), (2, 15734880), (3, 10489920), (4, 7867440), (5, 6293952), (6, 5244960), (7, 4495680), (8, 3933720), (9, 3496640), (10, 3146976), (12, 2622480), (14, 2247840), (15, 2097984), (16, 1966860), (18, 1748320), (20, 1573488), (21, 1498560), (24, 1311240), (28, 1123920), (30, 1048992), (32, 983430), (35, 899136), (36, 874160), (40, 786744), (42, 749280), (45, 699328), (48, 655620), (49, 642240), (56, 561960), (60, 524496), (63, 499520), (64, 491715), (70, 449568), (72, 437080), (80, 393372), (84, 374640), (90, 349664), (96, 327810), (98, 321120), (105, 299712), (112, 280980), (120, 262248), (126, 249760), (140, 224784), (144, 218540), (147, 214080), (160, 196686), (168, 187320), (180, 174832), (192, 163905), (196, 160560), (210, 149856), (223, 141120), (224, 140490), (240, 131124), (245, 128448), (252, 124880), (280, 112392), (288, 109270), (294, 107040), (315, 99904), (320, 98343), (336, 93660), (360, 87416), (392, 80280), (420, 74928), (441, 71360), (446, 70560), (448, 70245), (480, 65562), (490, 64224), (504, 62440), (560, 56196), (576, 54635), (588, 53520), (630, 49952), (669, 47040), (672, 46830), (720, 43708), (735, 42816), (784, 40140), (840, 37464), (882, 35680), (892, 35280), (960, 32781), (980, 32112), (1008, 31220), (1115, 28224), (1120, 28098), (1176, 26760), (1260, 24976), (1338, 23520), (1344, 23415), (1440, 21854), (1470, 21408), (1561, 20160), (1568, 20070), (1680, 18732), (1764, 17840), (1784, 17640), (1960, 16056), (2007, 15680), (2016, 15610), (2205, 14272), (2230, 14112), (2240, 14049), (2352, 13380), (2520, 12488), (2676, 11760), (2880, 10927), (2940, 10704), (3122, 10080), (3136, 10035), (3345, 9408), (3360, 9366), (3528, 8920), (3568, 8820), (3920, 8028), (4014, 7840), (4032, 7805), (4410, 7136), (4460, 7056), (4683, 6720), (4704, 6690), (5040, 6244), (5352, 5880)]