81528838560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4355173}}^1$

素因数の和:4355207

約数の個数: 144

約数和(自身を含む): 299618550504

約数和(自身を除く): 218089711944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 4355173, 8710346, 13065519, 17420692, 21775865, 26131038, 34841384, 39196557, 43551730, 52262076, 56617249, 65327595, 69682768, 78393114, 87103460, 104524152, 113234498, 130655190, 139365536, 156786228, 169851747, 174206920, 195982785, 209048304, 226468996, 261310380, 283086245, 313572456, 339703494, 348413840, 391965570, 418096608, 452937992, 509555241, 522620760, 566172490, 627144912, 679406988, 696827680, 783931140, 849258735, 905875984, 1019110482, 1045241520, 1132344980, 1254289824, 1358813976, 1567862280, 1698517470, 1811751968, 2038220964, 2090483040, 2264689960, 2547776205, 2717627952, 3135724560, 3397034940, 4076441928, 4529379920, 5095552410, 5435255904, 6271449120, 6794069880, 8152883856, 9058759840, 10191104820, 13588139760, 16305767712, 20382209640, 27176279520, 40764419280, 81528838560]

約数ペア:

[(1, 81528838560), (2, 40764419280), (3, 27176279520), (4, 20382209640), (5, 16305767712), (6, 13588139760), (8, 10191104820), (9, 9058759840), (10, 8152883856), (12, 6794069880), (13, 6271449120), (15, 5435255904), (16, 5095552410), (18, 4529379920), (20, 4076441928), (24, 3397034940), (26, 3135724560), (30, 2717627952), (32, 2547776205), (36, 2264689960), (39, 2090483040), (40, 2038220964), (45, 1811751968), (48, 1698517470), (52, 1567862280), (60, 1358813976), (65, 1254289824), (72, 1132344980), (78, 1045241520), (80, 1019110482), (90, 905875984), (96, 849258735), (104, 783931140), (117, 696827680), (120, 679406988), (130, 627144912), (144, 566172490), (156, 522620760), (160, 509555241), (180, 452937992), (195, 418096608), (208, 391965570), (234, 348413840), (240, 339703494), (260, 313572456), (288, 283086245), (312, 261310380), (360, 226468996), (390, 209048304), (416, 195982785), (468, 174206920), (480, 169851747), (520, 156786228), (585, 139365536), (624, 130655190), (720, 113234498), (780, 104524152), (936, 87103460), (1040, 78393114), (1170, 69682768), (1248, 65327595), (1440, 56617249), (1560, 52262076), (1872, 43551730), (2080, 39196557), (2340, 34841384), (3120, 26131038), (3744, 21775865), (4680, 17420692), (6240, 13065519), (9360, 8710346), (18720, 4355173)]