181989680560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{270271}}^1$

素因数の和:270746

約数の個数: 80

約数和(自身を含む): 446402856960

約数和(自身を除く): 264413176400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 443, 760, 886, 1520, 1772, 2215, 3544, 4430, 7088, 8417, 8860, 16834, 17720, 33668, 35440, 42085, 67336, 84170, 134672, 168340, 270271, 336680, 540542, 673360, 1081084, 1351355, 2162168, 2702710, 4324336, 5135149, 5405420, 10270298, 10810840, 20540596, 21621680, 25675745, 41081192, 51351490, 82162384, 102702980, 119730053, 205405960, 239460106, 410811920, 478920212, 598650265, 957840424, 1197300530, 1915680848, 2274871007, 2394601060, 4549742014, 4789202120, 9099484028, 9578404240, 11374355035, 18198968056, 22748710070, 36397936112, 45497420140, 90994840280, 181989680560]

約数ペア:

[(1, 181989680560), (2, 90994840280), (4, 45497420140), (5, 36397936112), (8, 22748710070), (10, 18198968056), (16, 11374355035), (19, 9578404240), (20, 9099484028), (38, 4789202120), (40, 4549742014), (76, 2394601060), (80, 2274871007), (95, 1915680848), (152, 1197300530), (190, 957840424), (304, 598650265), (380, 478920212), (443, 410811920), (760, 239460106), (886, 205405960), (1520, 119730053), (1772, 102702980), (2215, 82162384), (3544, 51351490), (4430, 41081192), (7088, 25675745), (8417, 21621680), (8860, 20540596), (16834, 10810840), (17720, 10270298), (33668, 5405420), (35440, 5135149), (42085, 4324336), (67336, 2702710), (84170, 2162168), (134672, 1351355), (168340, 1081084), (270271, 673360), (336680, 540542)]