638743560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2017}}^1$

素因数の和:2080

約数の個数: 256

約数和(自身を含む): 2440972800

約数和(自身を除く): 1802229240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 104, 105, 116, 120, 130, 140, 145, 156, 168, 174, 182, 195, 203, 210, 232, 260, 273, 280, 290, 312, 348, 364, 377, 390, 406, 420, 435, 455, 520, 546, 580, 609, 696, 728, 754, 780, 812, 840, 870, 910, 1015, 1092, 1131, 1160, 1218, 1365, 1508, 1560, 1624, 1740, 1820, 1885, 2017, 2030, 2184, 2262, 2436, 2639, 2730, 3016, 3045, 3480, 3640, 3770, 4034, 4060, 4524, 4872, 5278, 5460, 5655, 6051, 6090, 7540, 7917, 8068, 8120, 9048, 10085, 10556, 10920, 11310, 12102, 12180, 13195, 14119, 15080, 15834, 16136, 20170, 21112, 22620, 24204, 24360, 26221, 26390, 28238, 30255, 31668, 39585, 40340, 42357, 45240, 48408, 52442, 52780, 56476, 58493, 60510, 63336, 70595, 78663, 79170, 80680, 84714, 104884, 105560, 112952, 116986, 121020, 131105, 141190, 157326, 158340, 169428, 175479, 183547, 209768, 211785, 233972, 242040, 262210, 282380, 292465, 314652, 316680, 338856, 350958, 367094, 393315, 409451, 423570, 467944, 524420, 550641, 564760, 584930, 629304, 701916, 734188, 760409, 786630, 818902, 847140, 877395, 917735, 1048840, 1101282, 1169860, 1228353, 1403832, 1468376, 1520818, 1573260, 1637804, 1694280, 1754790, 1835470, 2047255, 2202564, 2281227, 2339720, 2456706, 2753205, 3041636, 3146520, 3275608, 3509580, 3670940, 3802045, 4094510, 4405128, 4562454, 4913412, 5322863, 5506410, 6083272, 6141765, 7019160, 7341880, 7604090, 8189020, 9124908, 9826824, 10645726, 11012820, 11406135, 12283530, 15208180, 15968589, 16378040, 18249816, 21291452, 22025640, 22812270, 24567060, 26614315, 30416360, 31937178, 42582904, 45624540, 49134120, 53228630, 63874356, 79842945, 91249080, 106457260, 127748712, 159685890, 212914520, 319371780, 638743560]

約数ペア:

[(1, 638743560), (2, 319371780), (3, 212914520), (4, 159685890), (5, 127748712), (6, 106457260), (7, 91249080), (8, 79842945), (10, 63874356), (12, 53228630), (13, 49134120), (14, 45624540), (15, 42582904), (20, 31937178), (21, 30416360), (24, 26614315), (26, 24567060), (28, 22812270), (29, 22025640), (30, 21291452), (35, 18249816), (39, 16378040), (40, 15968589), (42, 15208180), (52, 12283530), (56, 11406135), (58, 11012820), (60, 10645726), (65, 9826824), (70, 9124908), (78, 8189020), (84, 7604090), (87, 7341880), (91, 7019160), (104, 6141765), (105, 6083272), (116, 5506410), (120, 5322863), (130, 4913412), (140, 4562454), (145, 4405128), (156, 4094510), (168, 3802045), (174, 3670940), (182, 3509580), (195, 3275608), (203, 3146520), (210, 3041636), (232, 2753205), (260, 2456706), (273, 2339720), (280, 2281227), (290, 2202564), (312, 2047255), (348, 1835470), (364, 1754790), (377, 1694280), (390, 1637804), (406, 1573260), (420, 1520818), (435, 1468376), (455, 1403832), (520, 1228353), (546, 1169860), (580, 1101282), (609, 1048840), (696, 917735), (728, 877395), (754, 847140), (780, 818902), (812, 786630), (840, 760409), (870, 734188), (910, 701916), (1015, 629304), (1092, 584930), (1131, 564760), (1160, 550641), (1218, 524420), (1365, 467944), (1508, 423570), (1560, 409451), (1624, 393315), (1740, 367094), (1820, 350958), (1885, 338856), (2017, 316680), (2030, 314652), (2184, 292465), (2262, 282380), (2436, 262210), (2639, 242040), (2730, 233972), (3016, 211785), (3045, 209768), (3480, 183547), (3640, 175479), (3770, 169428), (4034, 158340), (4060, 157326), (4524, 141190), (4872, 131105), (5278, 121020), (5460, 116986), (5655, 112952), (6051, 105560), (6090, 104884), (7540, 84714), (7917, 80680), (8068, 79170), (8120, 78663), (9048, 70595), (10085, 63336), (10556, 60510), (10920, 58493), (11310, 56476), (12102, 52780), (12180, 52442), (13195, 48408), (14119, 45240), (15080, 42357), (15834, 40340), (16136, 39585), (20170, 31668), (21112, 30255), (22620, 28238), (24204, 26390), (24360, 26221)]