1681195680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6991}}^1$

素因数の和:7179

約数の個数: 144

約数和(自身を含む): 5772259584

約数和(自身を除く): 4091063904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 167, 180, 240, 288, 334, 360, 480, 501, 668, 720, 835, 1002, 1336, 1440, 1503, 1670, 2004, 2505, 2672, 3006, 3340, 4008, 5010, 5344, 6012, 6680, 6991, 7515, 8016, 10020, 12024, 13360, 13982, 15030, 16032, 20040, 20973, 24048, 26720, 27964, 30060, 34955, 40080, 41946, 48096, 55928, 60120, 62919, 69910, 80160, 83892, 104865, 111856, 120240, 125838, 139820, 167784, 209730, 223712, 240480, 251676, 279640, 314595, 335568, 419460, 503352, 559280, 629190, 671136, 838920, 1006704, 1118560, 1167497, 1258380, 1677840, 2013408, 2334994, 2516760, 3355680, 3502491, 4669988, 5033520, 5837485, 7004982, 9339976, 10067040, 10507473, 11674970, 14009964, 17512455, 18679952, 21014946, 23349940, 28019928, 35024910, 37359904, 42029892, 46699880, 52537365, 56039856, 70049820, 84059784, 93399760, 105074730, 112079712, 140099640, 168119568, 186799520, 210149460, 280199280, 336239136, 420298920, 560398560, 840597840, 1681195680]

約数ペア:

[(1, 1681195680), (2, 840597840), (3, 560398560), (4, 420298920), (5, 336239136), (6, 280199280), (8, 210149460), (9, 186799520), (10, 168119568), (12, 140099640), (15, 112079712), (16, 105074730), (18, 93399760), (20, 84059784), (24, 70049820), (30, 56039856), (32, 52537365), (36, 46699880), (40, 42029892), (45, 37359904), (48, 35024910), (60, 28019928), (72, 23349940), (80, 21014946), (90, 18679952), (96, 17512455), (120, 14009964), (144, 11674970), (160, 10507473), (167, 10067040), (180, 9339976), (240, 7004982), (288, 5837485), (334, 5033520), (360, 4669988), (480, 3502491), (501, 3355680), (668, 2516760), (720, 2334994), (835, 2013408), (1002, 1677840), (1336, 1258380), (1440, 1167497), (1503, 1118560), (1670, 1006704), (2004, 838920), (2505, 671136), (2672, 629190), (3006, 559280), (3340, 503352), (4008, 419460), (5010, 335568), (5344, 314595), (6012, 279640), (6680, 251676), (6991, 240480), (7515, 223712), (8016, 209730), (10020, 167784), (12024, 139820), (13360, 125838), (13982, 120240), (15030, 111856), (16032, 104865), (20040, 83892), (20973, 80160), (24048, 69910), (26720, 62919), (27964, 60120), (30060, 55928), (34955, 48096), (40080, 41946)]