18020880

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{103}}^1$

素因数の和:137

約数の個数: 160

約数和(自身を含む): 63448320

約数和(自身を除く): 45427440

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, 103, 108, 120, 135, 144, 162, 180, 206, 216, 240, 243, 270, 309, 324, 360, 405, 412, 432, 486, 515, 540, 618, 648, 720, 729, 810, 824, 927, 972, 1030, 1080, 1215, 1236, 1296, 1458, 1545, 1620, 1648, 1854, 1944, 2060, 2160, 2187, 2430, 2472, 2781, 2916, 3090, 3240, 3645, 3708, 3888, 4120, 4374, 4635, 4860, 4944, 5562, 5832, 6180, 6480, 7290, 7416, 8240, 8343, 8748, 9270, 9720, 10935, 11124, 11664, 12360, 13905, 14580, 14832, 16686, 17496, 18540, 19440, 21870, 22248, 24720, 25029, 27810, 29160, 33372, 34992, 37080, 41715, 43740, 44496, 50058, 55620, 58320, 66744, 74160, 75087, 83430, 87480, 100116, 111240, 125145, 133488, 150174, 166860, 174960, 200232, 222480, 225261, 250290, 300348, 333720, 375435, 400464, 450522, 500580, 600696, 667440, 750870, 901044, 1001160, 1126305, 1201392, 1501740, 1802088, 2002320, 2252610, 3003480, 3604176, 4505220, 6006960, 9010440, 18020880]

約数ペア:

[(1, 18020880), (2, 9010440), (3, 6006960), (4, 4505220), (5, 3604176), (6, 3003480), (8, 2252610), (9, 2002320), (10, 1802088), (12, 1501740), (15, 1201392), (16, 1126305), (18, 1001160), (20, 901044), (24, 750870), (27, 667440), (30, 600696), (36, 500580), (40, 450522), (45, 400464), (48, 375435), (54, 333720), (60, 300348), (72, 250290), (80, 225261), (81, 222480), (90, 200232), (103, 174960), (108, 166860), (120, 150174), (135, 133488), (144, 125145), (162, 111240), (180, 100116), (206, 87480), (216, 83430), (240, 75087), (243, 74160), (270, 66744), (309, 58320), (324, 55620), (360, 50058), (405, 44496), (412, 43740), (432, 41715), (486, 37080), (515, 34992), (540, 33372), (618, 29160), (648, 27810), (720, 25029), (729, 24720), (810, 22248), (824, 21870), (927, 19440), (972, 18540), (1030, 17496), (1080, 16686), (1215, 14832), (1236, 14580), (1296, 13905), (1458, 12360), (1545, 11664), (1620, 11124), (1648, 10935), (1854, 9720), (1944, 9270), (2060, 8748), (2160, 8343), (2187, 8240), (2430, 7416), (2472, 7290), (2781, 6480), (2916, 6180), (3090, 5832), (3240, 5562), (3645, 4944), (3708, 4860), (3888, 4635), (4120, 4374)]