395467920

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{6781}}^1$

素因数の和:6812

約数の個数: 140

約数和(自身を含む): 1378767036

約数和(自身を除く): 983299116

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, 2430, 2916, 3240, 3645, 3888, 4860, 5832, 6480, 6781, 7290, 9720, 11664, 13562, 14580, 19440, 20343, 27124, 29160, 33905, 40686, 54248, 58320, 61029, 67810, 81372, 101715, 108496, 122058, 135620, 162744, 183087, 203430, 244116, 271240, 305145, 325488, 366174, 406860, 488232, 542480, 549261, 610290, 732348, 813720, 915435, 976464, 1098522, 1220580, 1464696, 1627440, 1647783, 1830870, 2197044, 2441160, 2746305, 2929392, 3295566, 3661740, 4394088, 4882320, 4943349, 5492610, 6591132, 7323480, 8238915, 8788176, 9886698, 10985220, 13182264, 14646960, 16477830, 19773396, 21970440, 24716745, 26364528, 32955660, 39546792, 43940880, 49433490, 65911320, 79093584, 98866980, 131822640, 197733960, 395467920]

約数ペア:

[(1, 395467920), (2, 197733960), (3, 131822640), (4, 98866980), (5, 79093584), (6, 65911320), (8, 49433490), (9, 43940880), (10, 39546792), (12, 32955660), (15, 26364528), (16, 24716745), (18, 21970440), (20, 19773396), (24, 16477830), (27, 14646960), (30, 13182264), (36, 10985220), (40, 9886698), (45, 8788176), (48, 8238915), (54, 7323480), (60, 6591132), (72, 5492610), (80, 4943349), (81, 4882320), (90, 4394088), (108, 3661740), (120, 3295566), (135, 2929392), (144, 2746305), (162, 2441160), (180, 2197044), (216, 1830870), (240, 1647783), (243, 1627440), (270, 1464696), (324, 1220580), (360, 1098522), (405, 976464), (432, 915435), (486, 813720), (540, 732348), (648, 610290), (720, 549261), (729, 542480), (810, 488232), (972, 406860), (1080, 366174), (1215, 325488), (1296, 305145), (1458, 271240), (1620, 244116), (1944, 203430), (2160, 183087), (2430, 162744), (2916, 135620), (3240, 122058), (3645, 108496), (3888, 101715), (4860, 81372), (5832, 67810), (6480, 61029), (6781, 58320), (7290, 54248), (9720, 40686), (11664, 33905), (13562, 29160), (14580, 27124), (19440, 20343)]