2817903760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:354

約数の個数: 240

約数和(自身を含む): 7934960880

約数和(自身を除く): 5117057120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 89, 98, 112, 140, 164, 178, 196, 197, 205, 245, 280, 287, 328, 356, 392, 394, 410, 445, 490, 560, 574, 623, 656, 712, 784, 788, 820, 890, 980, 985, 1148, 1246, 1379, 1424, 1435, 1576, 1640, 1780, 1960, 1970, 2009, 2296, 2492, 2758, 2870, 3115, 3152, 3280, 3560, 3649, 3920, 3940, 4018, 4361, 4592, 4984, 5516, 5740, 6230, 6895, 7120, 7298, 7880, 8036, 8077, 8722, 9653, 9968, 10045, 11032, 11480, 12460, 13790, 14596, 15760, 16072, 16154, 17444, 17533, 18245, 19306, 20090, 21805, 22064, 22960, 24920, 25543, 27580, 29192, 32144, 32308, 34888, 35066, 36490, 38612, 40180, 40385, 43610, 48265, 49840, 51086, 55160, 56539, 58384, 64616, 69776, 70132, 72980, 77224, 80360, 80770, 87220, 87665, 96530, 102172, 110320, 113078, 122731, 127715, 129232, 140264, 145960, 154448, 160720, 161540, 174440, 175330, 178801, 193060, 204344, 226156, 245462, 255430, 280528, 282695, 291920, 323080, 348880, 350660, 357602, 386120, 395773, 408688, 452312, 490924, 510860, 565390, 613655, 646160, 701320, 715204, 718853, 772240, 791546, 859117, 894005, 904624, 981848, 1021720, 1130780, 1227310, 1402640, 1430408, 1437706, 1583092, 1718234, 1788010, 1963696, 1978865, 2043440, 2261560, 2454620, 2860816, 2875412, 3166184, 3436468, 3576020, 3594265, 3957730, 4295585, 4523120, 4909240, 5031971, 5750824, 6332368, 6872936, 7152040, 7188530, 7915460, 8591170, 9818480, 10063942, 11501648, 13745872, 14304080, 14377060, 15830920, 17182340, 20127884, 25159855, 28754120, 31661840, 34364680, 35223797, 40255768, 50319710, 57508240, 68729360, 70447594, 80511536, 100639420, 140895188, 176118985, 201278840, 281790376, 352237970, 402557680, 563580752, 704475940, 1408951880, 2817903760]

約数ペア:

[(1, 2817903760), (2, 1408951880), (4, 704475940), (5, 563580752), (7, 402557680), (8, 352237970), (10, 281790376), (14, 201278840), (16, 176118985), (20, 140895188), (28, 100639420), (35, 80511536), (40, 70447594), (41, 68729360), (49, 57508240), (56, 50319710), (70, 40255768), (80, 35223797), (82, 34364680), (89, 31661840), (98, 28754120), (112, 25159855), (140, 20127884), (164, 17182340), (178, 15830920), (196, 14377060), (197, 14304080), (205, 13745872), (245, 11501648), (280, 10063942), (287, 9818480), (328, 8591170), (356, 7915460), (392, 7188530), (394, 7152040), (410, 6872936), (445, 6332368), (490, 5750824), (560, 5031971), (574, 4909240), (623, 4523120), (656, 4295585), (712, 3957730), (784, 3594265), (788, 3576020), (820, 3436468), (890, 3166184), (980, 2875412), (985, 2860816), (1148, 2454620), (1246, 2261560), (1379, 2043440), (1424, 1978865), (1435, 1963696), (1576, 1788010), (1640, 1718234), (1780, 1583092), (1960, 1437706), (1970, 1430408), (2009, 1402640), (2296, 1227310), (2492, 1130780), (2758, 1021720), (2870, 981848), (3115, 904624), (3152, 894005), (3280, 859117), (3560, 791546), (3649, 772240), (3920, 718853), (3940, 715204), (4018, 701320), (4361, 646160), (4592, 613655), (4984, 565390), (5516, 510860), (5740, 490924), (6230, 452312), (6895, 408688), (7120, 395773), (7298, 386120), (7880, 357602), (8036, 350660), (8077, 348880), (8722, 323080), (9653, 291920), (9968, 282695), (10045, 280528), (11032, 255430), (11480, 245462), (12460, 226156), (13790, 204344), (14596, 193060), (15760, 178801), (16072, 175330), (16154, 174440), (17444, 161540), (17533, 160720), (18245, 154448), (19306, 145960), (20090, 140264), (21805, 129232), (22064, 127715), (22960, 122731), (24920, 113078), (25543, 110320), (27580, 102172), (29192, 96530), (32144, 87665), (32308, 87220), (34888, 80770), (35066, 80360), (36490, 77224), (38612, 72980), (40180, 70132), (40385, 69776), (43610, 64616), (48265, 58384), (49840, 56539), (51086, 55160)]