247505720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 765158400

約数和(自身を除く): 517652680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 29, 34, 35, 40, 44, 55, 56, 58, 68, 70, 77, 85, 88, 110, 116, 119, 136, 140, 145, 154, 163, 170, 187, 203, 220, 232, 238, 280, 290, 308, 319, 326, 340, 374, 385, 406, 440, 476, 493, 580, 595, 616, 638, 652, 680, 748, 770, 812, 815, 935, 952, 986, 1015, 1141, 1160, 1190, 1276, 1304, 1309, 1496, 1540, 1595, 1624, 1630, 1793, 1870, 1972, 2030, 2233, 2282, 2380, 2465, 2552, 2618, 2771, 3080, 3190, 3260, 3451, 3586, 3740, 3944, 4060, 4466, 4564, 4727, 4760, 4930, 5236, 5423, 5542, 5705, 6380, 6520, 6545, 6902, 7172, 7480, 8120, 8932, 8965, 9128, 9454, 9860, 10472, 10846, 11084, 11165, 11410, 12551, 12760, 13090, 13804, 13855, 14344, 17255, 17864, 17930, 18908, 19397, 19720, 21692, 22168, 22330, 22820, 23635, 25102, 26180, 27115, 27608, 27710, 30481, 33089, 34510, 35860, 37816, 37961, 38794, 43384, 44660, 45640, 47270, 50204, 51997, 52360, 54230, 55420, 60962, 62755, 66178, 69020, 71720, 75922, 77588, 80359, 89320, 94540, 96985, 100408, 103994, 108460, 110840, 121924, 125510, 132356, 138040, 151844, 152405, 155176, 160718, 165445, 189080, 189805, 193970, 207988, 213367, 216920, 243848, 251020, 259985, 264712, 303688, 304810, 321436, 330890, 363979, 379610, 387940, 401795, 415976, 426734, 502040, 519970, 562513, 609620, 642872, 661780, 727958, 759220, 775880, 803590, 853468, 883949, 1039940, 1066835, 1125026, 1219240, 1323560, 1455916, 1518440, 1607180, 1706936, 1767898, 1819895, 2079880, 2133670, 2250052, 2812565, 2911832, 3214360, 3535796, 3639790, 4267340, 4419745, 4500104, 5625130, 6187643, 7071592, 7279580, 8534680, 8839490, 11250260, 12375286, 14559160, 17678980, 22500520, 24750572, 30938215, 35357960, 49501144, 61876430, 123752860, 247505720]

約数ペア:

[(1, 247505720), (2, 123752860), (4, 61876430), (5, 49501144), (7, 35357960), (8, 30938215), (10, 24750572), (11, 22500520), (14, 17678980), (17, 14559160), (20, 12375286), (22, 11250260), (28, 8839490), (29, 8534680), (34, 7279580), (35, 7071592), (40, 6187643), (44, 5625130), (55, 4500104), (56, 4419745), (58, 4267340), (68, 3639790), (70, 3535796), (77, 3214360), (85, 2911832), (88, 2812565), (110, 2250052), (116, 2133670), (119, 2079880), (136, 1819895), (140, 1767898), (145, 1706936), (154, 1607180), (163, 1518440), (170, 1455916), (187, 1323560), (203, 1219240), (220, 1125026), (232, 1066835), (238, 1039940), (280, 883949), (290, 853468), (308, 803590), (319, 775880), (326, 759220), (340, 727958), (374, 661780), (385, 642872), (406, 609620), (440, 562513), (476, 519970), (493, 502040), (580, 426734), (595, 415976), (616, 401795), (638, 387940), (652, 379610), (680, 363979), (748, 330890), (770, 321436), (812, 304810), (815, 303688), (935, 264712), (952, 259985), (986, 251020), (1015, 243848), (1141, 216920), (1160, 213367), (1190, 207988), (1276, 193970), (1304, 189805), (1309, 189080), (1496, 165445), (1540, 160718), (1595, 155176), (1624, 152405), (1630, 151844), (1793, 138040), (1870, 132356), (1972, 125510), (2030, 121924), (2233, 110840), (2282, 108460), (2380, 103994), (2465, 100408), (2552, 96985), (2618, 94540), (2771, 89320), (3080, 80359), (3190, 77588), (3260, 75922), (3451, 71720), (3586, 69020), (3740, 66178), (3944, 62755), (4060, 60962), (4466, 55420), (4564, 54230), (4727, 52360), (4760, 51997), (4930, 50204), (5236, 47270), (5423, 45640), (5542, 44660), (5705, 43384), (6380, 38794), (6520, 37961), (6545, 37816), (6902, 35860), (7172, 34510), (7480, 33089), (8120, 30481), (8932, 27710), (8965, 27608), (9128, 27115), (9454, 26180), (9860, 25102), (10472, 23635), (10846, 22820), (11084, 22330), (11165, 22168), (11410, 21692), (12551, 19720), (12760, 19397), (13090, 18908), (13804, 17930), (13855, 17864), (14344, 17255)]