81930960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:562

約数の個数: 160

約数和(自身を含む): 286231680

約数和(自身を除く): 204300720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 108, 120, 135, 144, 166, 180, 216, 240, 249, 270, 332, 360, 415, 432, 457, 498, 540, 664, 720, 747, 830, 914, 996, 1080, 1245, 1328, 1371, 1494, 1660, 1828, 1992, 2160, 2241, 2285, 2490, 2742, 2988, 3320, 3656, 3735, 3984, 4113, 4482, 4570, 4980, 5484, 5976, 6640, 6855, 7312, 7470, 8226, 8964, 9140, 9960, 10968, 11205, 11952, 12339, 13710, 14940, 16452, 17928, 18280, 19920, 20565, 21936, 22410, 24678, 27420, 29880, 32904, 35856, 36560, 37931, 41130, 44820, 49356, 54840, 59760, 61695, 65808, 75862, 82260, 89640, 98712, 109680, 113793, 123390, 151724, 164520, 179280, 189655, 197424, 227586, 246780, 303448, 329040, 341379, 379310, 455172, 493560, 568965, 606896, 682758, 758620, 910344, 987120, 1024137, 1137930, 1365516, 1517240, 1706895, 1820688, 2048274, 2275860, 2731032, 3034480, 3413790, 4096548, 4551720, 5120685, 5462064, 6827580, 8193096, 9103440, 10241370, 13655160, 16386192, 20482740, 27310320, 40965480, 81930960]

約数ペア:

[(1, 81930960), (2, 40965480), (3, 27310320), (4, 20482740), (5, 16386192), (6, 13655160), (8, 10241370), (9, 9103440), (10, 8193096), (12, 6827580), (15, 5462064), (16, 5120685), (18, 4551720), (20, 4096548), (24, 3413790), (27, 3034480), (30, 2731032), (36, 2275860), (40, 2048274), (45, 1820688), (48, 1706895), (54, 1517240), (60, 1365516), (72, 1137930), (80, 1024137), (83, 987120), (90, 910344), (108, 758620), (120, 682758), (135, 606896), (144, 568965), (166, 493560), (180, 455172), (216, 379310), (240, 341379), (249, 329040), (270, 303448), (332, 246780), (360, 227586), (415, 197424), (432, 189655), (457, 179280), (498, 164520), (540, 151724), (664, 123390), (720, 113793), (747, 109680), (830, 98712), (914, 89640), (996, 82260), (1080, 75862), (1245, 65808), (1328, 61695), (1371, 59760), (1494, 54840), (1660, 49356), (1828, 44820), (1992, 41130), (2160, 37931), (2241, 36560), (2285, 35856), (2490, 32904), (2742, 29880), (2988, 27420), (3320, 24678), (3656, 22410), (3735, 21936), (3984, 20565), (4113, 19920), (4482, 18280), (4570, 17928), (4980, 16452), (5484, 14940), (5976, 13710), (6640, 12339), (6855, 11952), (7312, 11205), (7470, 10968), (8226, 9960), (8964, 9140)]