66445920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{1709}}^1$

素因数の和:1739

約数の個数: 144

約数和(自身を含む): 235282320

約数和(自身を除く): 168836400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1709, 1944, 2160, 2430, 2592, 3240, 3418, 3888, 4320, 4860, 5127, 6480, 6836, 7776, 8545, 9720, 10254, 12960, 13672, 15381, 17090, 19440, 20508, 25635, 27344, 30762, 34180, 38880, 41016, 46143, 51270, 54688, 61524, 68360, 76905, 82032, 92286, 102540, 123048, 136720, 138429, 153810, 164064, 184572, 205080, 230715, 246096, 273440, 276858, 307620, 369144, 410160, 415287, 461430, 492192, 553716, 615240, 692145, 738288, 820320, 830574, 922860, 1107432, 1230480, 1384290, 1476576, 1661148, 1845720, 2076435, 2214864, 2460960, 2768580, 3322296, 3691440, 4152870, 4429728, 5537160, 6644592, 7382880, 8305740, 11074320, 13289184, 16611480, 22148640, 33222960, 66445920]

約数ペア:

[(1, 66445920), (2, 33222960), (3, 22148640), (4, 16611480), (5, 13289184), (6, 11074320), (8, 8305740), (9, 7382880), (10, 6644592), (12, 5537160), (15, 4429728), (16, 4152870), (18, 3691440), (20, 3322296), (24, 2768580), (27, 2460960), (30, 2214864), (32, 2076435), (36, 1845720), (40, 1661148), (45, 1476576), (48, 1384290), (54, 1230480), (60, 1107432), (72, 922860), (80, 830574), (81, 820320), (90, 738288), (96, 692145), (108, 615240), (120, 553716), (135, 492192), (144, 461430), (160, 415287), (162, 410160), (180, 369144), (216, 307620), (240, 276858), (243, 273440), (270, 246096), (288, 230715), (324, 205080), (360, 184572), (405, 164064), (432, 153810), (480, 138429), (486, 136720), (540, 123048), (648, 102540), (720, 92286), (810, 82032), (864, 76905), (972, 68360), (1080, 61524), (1215, 54688), (1296, 51270), (1440, 46143), (1620, 41016), (1709, 38880), (1944, 34180), (2160, 30762), (2430, 27344), (2592, 25635), (3240, 20508), (3418, 19440), (3888, 17090), (4320, 15381), (4860, 13672), (5127, 12960), (6480, 10254), (6836, 9720), (7776, 8545)]