128478960

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{2203}}^1$

素因数の和:2234

約数の個数: 140

約数和(自身を含む): 448068792

約数和(自身を除く): 319589832

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, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2203, 2430, 2916, 3240, 3645, 3888, 4406, 4860, 5832, 6480, 6609, 7290, 8812, 9720, 11015, 11664, 13218, 14580, 17624, 19440, 19827, 22030, 26436, 29160, 33045, 35248, 39654, 44060, 52872, 58320, 59481, 66090, 79308, 88120, 99135, 105744, 118962, 132180, 158616, 176240, 178443, 198270, 237924, 264360, 297405, 317232, 356886, 396540, 475848, 528720, 535329, 594810, 713772, 793080, 892215, 951696, 1070658, 1189620, 1427544, 1586160, 1605987, 1784430, 2141316, 2379240, 2676645, 2855088, 3211974, 3568860, 4282632, 4758480, 5353290, 6423948, 7137720, 8029935, 8565264, 10706580, 12847896, 14275440, 16059870, 21413160, 25695792, 32119740, 42826320, 64239480, 128478960]

約数ペア:

[(1, 128478960), (2, 64239480), (3, 42826320), (4, 32119740), (5, 25695792), (6, 21413160), (8, 16059870), (9, 14275440), (10, 12847896), (12, 10706580), (15, 8565264), (16, 8029935), (18, 7137720), (20, 6423948), (24, 5353290), (27, 4758480), (30, 4282632), (36, 3568860), (40, 3211974), (45, 2855088), (48, 2676645), (54, 2379240), (60, 2141316), (72, 1784430), (80, 1605987), (81, 1586160), (90, 1427544), (108, 1189620), (120, 1070658), (135, 951696), (144, 892215), (162, 793080), (180, 713772), (216, 594810), (240, 535329), (243, 528720), (270, 475848), (324, 396540), (360, 356886), (405, 317232), (432, 297405), (486, 264360), (540, 237924), (648, 198270), (720, 178443), (729, 176240), (810, 158616), (972, 132180), (1080, 118962), (1215, 105744), (1296, 99135), (1458, 88120), (1620, 79308), (1944, 66090), (2160, 59481), (2203, 58320), (2430, 52872), (2916, 44060), (3240, 39654), (3645, 35248), (3888, 33045), (4406, 29160), (4860, 26436), (5832, 22030), (6480, 19827), (6609, 19440), (7290, 17624), (8812, 14580), (9720, 13218), (11015, 11664)]