20159156880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3110981}}^1$

素因数の和:3111006

約数の個数: 100

約数和(自身を含む): 70015760892

約数和(自身を除く): 49856604012

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 3110981, 6221962, 9332943, 12443924, 15554905, 18665886, 24887848, 27998829, 31109810, 37331772, 46664715, 49775696, 55997658, 62219620, 74663544, 83996487, 93329430, 111995316, 124439240, 139994145, 149327088, 167992974, 186658860, 223990632, 248878480, 251989461, 279988290, 335985948, 373317720, 419982435, 447981264, 503978922, 559976580, 671971896, 746635440, 839964870, 1007957844, 1119953160, 1259947305, 1343943792, 1679929740, 2015915688, 2239906320, 2519894610, 3359859480, 4031831376, 5039789220, 6719718960, 10079578440, 20159156880]

約数ペア:

[(1, 20159156880), (2, 10079578440), (3, 6719718960), (4, 5039789220), (5, 4031831376), (6, 3359859480), (8, 2519894610), (9, 2239906320), (10, 2015915688), (12, 1679929740), (15, 1343943792), (16, 1259947305), (18, 1119953160), (20, 1007957844), (24, 839964870), (27, 746635440), (30, 671971896), (36, 559976580), (40, 503978922), (45, 447981264), (48, 419982435), (54, 373317720), (60, 335985948), (72, 279988290), (80, 251989461), (81, 248878480), (90, 223990632), (108, 186658860), (120, 167992974), (135, 149327088), (144, 139994145), (162, 124439240), (180, 111995316), (216, 93329430), (240, 83996487), (270, 74663544), (324, 62219620), (360, 55997658), (405, 49775696), (432, 46664715), (540, 37331772), (648, 31109810), (720, 27998829), (810, 24887848), (1080, 18665886), (1296, 15554905), (1620, 12443924), (2160, 9332943), (3240, 6221962), (6480, 3110981)]