18493920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1427}}^1$

素因数の和:1454

約数の個数: 120

約数和(自身を含む): 65313864

約数和(自身を除く): 46819944

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1427, 1440, 1620, 2160, 2592, 2854, 3240, 4281, 4320, 5708, 6480, 7135, 8562, 11416, 12843, 12960, 14270, 17124, 21405, 22832, 25686, 28540, 34248, 38529, 42810, 45664, 51372, 57080, 64215, 68496, 77058, 85620, 102744, 114160, 115587, 128430, 136992, 154116, 171240, 192645, 205488, 228320, 231174, 256860, 308232, 342480, 385290, 410976, 462348, 513720, 577935, 616464, 684960, 770580, 924696, 1027440, 1155870, 1232928, 1541160, 1849392, 2054880, 2311740, 3082320, 3698784, 4623480, 6164640, 9246960, 18493920]

約数ペア:

[(1, 18493920), (2, 9246960), (3, 6164640), (4, 4623480), (5, 3698784), (6, 3082320), (8, 2311740), (9, 2054880), (10, 1849392), (12, 1541160), (15, 1232928), (16, 1155870), (18, 1027440), (20, 924696), (24, 770580), (27, 684960), (30, 616464), (32, 577935), (36, 513720), (40, 462348), (45, 410976), (48, 385290), (54, 342480), (60, 308232), (72, 256860), (80, 231174), (81, 228320), (90, 205488), (96, 192645), (108, 171240), (120, 154116), (135, 136992), (144, 128430), (160, 115587), (162, 114160), (180, 102744), (216, 85620), (240, 77058), (270, 68496), (288, 64215), (324, 57080), (360, 51372), (405, 45664), (432, 42810), (480, 38529), (540, 34248), (648, 28540), (720, 25686), (810, 22832), (864, 21405), (1080, 17124), (1296, 14270), (1427, 12960), (1440, 12843), (1620, 11416), (2160, 8562), (2592, 7135), (2854, 6480), (3240, 5708), (4281, 4320)]