16387920

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{281}}^1$

素因数の和:312

約数の個数: 140

約数和(自身を含む): 57330036

約数和(自身を除く): 40942116

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, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 281, 324, 360, 405, 432, 486, 540, 562, 648, 720, 729, 810, 843, 972, 1080, 1124, 1215, 1296, 1405, 1458, 1620, 1686, 1944, 2160, 2248, 2430, 2529, 2810, 2916, 3240, 3372, 3645, 3888, 4215, 4496, 4860, 5058, 5620, 5832, 6480, 6744, 7290, 7587, 8430, 9720, 10116, 11240, 11664, 12645, 13488, 14580, 15174, 16860, 19440, 20232, 22480, 22761, 25290, 29160, 30348, 33720, 37935, 40464, 45522, 50580, 58320, 60696, 67440, 68283, 75870, 91044, 101160, 113805, 121392, 136566, 151740, 182088, 202320, 204849, 227610, 273132, 303480, 341415, 364176, 409698, 455220, 546264, 606960, 682830, 819396, 910440, 1024245, 1092528, 1365660, 1638792, 1820880, 2048490, 2731320, 3277584, 4096980, 5462640, 8193960, 16387920]

約数ペア:

[(1, 16387920), (2, 8193960), (3, 5462640), (4, 4096980), (5, 3277584), (6, 2731320), (8, 2048490), (9, 1820880), (10, 1638792), (12, 1365660), (15, 1092528), (16, 1024245), (18, 910440), (20, 819396), (24, 682830), (27, 606960), (30, 546264), (36, 455220), (40, 409698), (45, 364176), (48, 341415), (54, 303480), (60, 273132), (72, 227610), (80, 204849), (81, 202320), (90, 182088), (108, 151740), (120, 136566), (135, 121392), (144, 113805), (162, 101160), (180, 91044), (216, 75870), (240, 68283), (243, 67440), (270, 60696), (281, 58320), (324, 50580), (360, 45522), (405, 40464), (432, 37935), (486, 33720), (540, 30348), (562, 29160), (648, 25290), (720, 22761), (729, 22480), (810, 20232), (843, 19440), (972, 16860), (1080, 15174), (1124, 14580), (1215, 13488), (1296, 12645), (1405, 11664), (1458, 11240), (1620, 10116), (1686, 9720), (1944, 8430), (2160, 7587), (2248, 7290), (2430, 6744), (2529, 6480), (2810, 5832), (2916, 5620), (3240, 5058), (3372, 4860), (3645, 4496), (3888, 4215)]