19998206280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{5081}}^1$

素因数の和:5169

約数の個数: 288

約数和(自身を含む): 72504792360

約数和(自身を除く): 52506586080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 29, 30, 36, 39, 40, 45, 52, 58, 60, 65, 72, 78, 87, 90, 104, 116, 117, 120, 130, 145, 156, 174, 180, 195, 232, 234, 260, 261, 290, 312, 348, 360, 377, 390, 435, 468, 520, 522, 580, 585, 696, 754, 780, 841, 870, 936, 1044, 1131, 1160, 1170, 1305, 1508, 1560, 1682, 1740, 1885, 2088, 2262, 2340, 2523, 2610, 3016, 3364, 3393, 3480, 3770, 4205, 4524, 4680, 5046, 5081, 5220, 5655, 6728, 6786, 7540, 7569, 8410, 9048, 10092, 10162, 10440, 10933, 11310, 12615, 13572, 15080, 15138, 15243, 16820, 16965, 20184, 20324, 21866, 22620, 25230, 25405, 27144, 30276, 30486, 32799, 33640, 33930, 37845, 40648, 43732, 45240, 45729, 50460, 50810, 54665, 60552, 60972, 65598, 66053, 67860, 75690, 76215, 87464, 91458, 98397, 100920, 101620, 109330, 121944, 131196, 132106, 135720, 147349, 151380, 152430, 163995, 182916, 196794, 198159, 203240, 218660, 228645, 262392, 264212, 294698, 302760, 304860, 327990, 330265, 365832, 393588, 396318, 437320, 442047, 457290, 491985, 528424, 589396, 594477, 609720, 655980, 660530, 736745, 787176, 792636, 884094, 914580, 983970, 990795, 1178792, 1188954, 1311960, 1321060, 1326141, 1473490, 1585272, 1768188, 1829160, 1915537, 1967940, 1981590, 2210235, 2377908, 2642120, 2652282, 2946980, 2972385, 3536376, 3831074, 3935880, 3963180, 4273121, 4420470, 4755816, 5304564, 5746611, 5893960, 5944770, 6630705, 7662148, 7926360, 8546242, 8840940, 9577685, 10609128, 11493222, 11889540, 12819363, 13261410, 15324296, 17092484, 17239833, 17681880, 19155370, 21365605, 22986444, 23779080, 25638726, 26522820, 28733055, 34184968, 34479666, 38310740, 38458089, 42731210, 45972888, 51277452, 53045640, 55550573, 57466110, 64096815, 68959332, 76621480, 76916178, 85462420, 86199165, 102554904, 111101146, 114932220, 128193630, 137918664, 153832356, 166651719, 170924840, 172398330, 192290445, 222202292, 229864440, 256387260, 277752865, 307664712, 333303438, 344796660, 384580890, 444404584, 499955157, 512774520, 555505730, 666606876, 689593320, 769161780, 833258595, 999910314, 1111011460, 1333213752, 1538323560, 1666517190, 1999820628, 2222022920, 2499775785, 3333034380, 3999641256, 4999551570, 6666068760, 9999103140, 19998206280]

約数ペア:

[(1, 19998206280), (2, 9999103140), (3, 6666068760), (4, 4999551570), (5, 3999641256), (6, 3333034380), (8, 2499775785), (9, 2222022920), (10, 1999820628), (12, 1666517190), (13, 1538323560), (15, 1333213752), (18, 1111011460), (20, 999910314), (24, 833258595), (26, 769161780), (29, 689593320), (30, 666606876), (36, 555505730), (39, 512774520), (40, 499955157), (45, 444404584), (52, 384580890), (58, 344796660), (60, 333303438), (65, 307664712), (72, 277752865), (78, 256387260), (87, 229864440), (90, 222202292), (104, 192290445), (116, 172398330), (117, 170924840), (120, 166651719), (130, 153832356), (145, 137918664), (156, 128193630), (174, 114932220), (180, 111101146), (195, 102554904), (232, 86199165), (234, 85462420), (260, 76916178), (261, 76621480), (290, 68959332), (312, 64096815), (348, 57466110), (360, 55550573), (377, 53045640), (390, 51277452), (435, 45972888), (468, 42731210), (520, 38458089), (522, 38310740), (580, 34479666), (585, 34184968), (696, 28733055), (754, 26522820), (780, 25638726), (841, 23779080), (870, 22986444), (936, 21365605), (1044, 19155370), (1131, 17681880), (1160, 17239833), (1170, 17092484), (1305, 15324296), (1508, 13261410), (1560, 12819363), (1682, 11889540), (1740, 11493222), (1885, 10609128), (2088, 9577685), (2262, 8840940), (2340, 8546242), (2523, 7926360), (2610, 7662148), (3016, 6630705), (3364, 5944770), (3393, 5893960), (3480, 5746611), (3770, 5304564), (4205, 4755816), (4524, 4420470), (4680, 4273121), (5046, 3963180), (5081, 3935880), (5220, 3831074), (5655, 3536376), (6728, 2972385), (6786, 2946980), (7540, 2652282), (7569, 2642120), (8410, 2377908), (9048, 2210235), (10092, 1981590), (10162, 1967940), (10440, 1915537), (10933, 1829160), (11310, 1768188), (12615, 1585272), (13572, 1473490), (15080, 1326141), (15138, 1321060), (15243, 1311960), (16820, 1188954), (16965, 1178792), (20184, 990795), (20324, 983970), (21866, 914580), (22620, 884094), (25230, 792636), (25405, 787176), (27144, 736745), (30276, 660530), (30486, 655980), (32799, 609720), (33640, 594477), (33930, 589396), (37845, 528424), (40648, 491985), (43732, 457290), (45240, 442047), (45729, 437320), (50460, 396318), (50810, 393588), (54665, 365832), (60552, 330265), (60972, 327990), (65598, 304860), (66053, 302760), (67860, 294698), (75690, 264212), (76215, 262392), (87464, 228645), (91458, 218660), (98397, 203240), (100920, 198159), (101620, 196794), (109330, 182916), (121944, 163995), (131196, 152430), (132106, 151380), (135720, 147349)]