30820356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 96620160

約数和(自身を除く): 65799804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 41, 42, 57, 63, 76, 82, 84, 114, 123, 126, 133, 157, 164, 171, 228, 246, 252, 266, 287, 314, 342, 369, 399, 471, 492, 532, 574, 628, 684, 738, 779, 798, 861, 942, 1099, 1148, 1197, 1413, 1476, 1558, 1596, 1722, 1884, 2198, 2337, 2394, 2583, 2826, 2983, 3116, 3297, 3444, 4396, 4674, 4788, 5166, 5453, 5652, 5966, 6437, 6594, 7011, 8949, 9348, 9891, 10332, 10906, 11932, 12874, 13188, 14022, 16359, 17898, 19311, 19782, 20881, 21812, 25748, 26847, 28044, 32718, 35796, 38622, 39564, 41762, 45059, 49077, 53694, 57933, 62643, 65436, 77244, 83524, 90118, 98154, 107388, 115866, 122303, 125286, 135177, 180236, 187929, 196308, 231732, 244606, 250572, 270354, 366909, 375858, 405531, 489212, 540708, 733818, 751716, 811062, 856121, 1100727, 1467636, 1622124, 1712242, 2201454, 2568363, 3424484, 4402908, 5136726, 7705089, 10273452, 15410178, 30820356]

約数ペア:

[(1, 30820356), (2, 15410178), (3, 10273452), (4, 7705089), (6, 5136726), (7, 4402908), (9, 3424484), (12, 2568363), (14, 2201454), (18, 1712242), (19, 1622124), (21, 1467636), (28, 1100727), (36, 856121), (38, 811062), (41, 751716), (42, 733818), (57, 540708), (63, 489212), (76, 405531), (82, 375858), (84, 366909), (114, 270354), (123, 250572), (126, 244606), (133, 231732), (157, 196308), (164, 187929), (171, 180236), (228, 135177), (246, 125286), (252, 122303), (266, 115866), (287, 107388), (314, 98154), (342, 90118), (369, 83524), (399, 77244), (471, 65436), (492, 62643), (532, 57933), (574, 53694), (628, 49077), (684, 45059), (738, 41762), (779, 39564), (798, 38622), (861, 35796), (942, 32718), (1099, 28044), (1148, 26847), (1197, 25748), (1413, 21812), (1476, 20881), (1558, 19782), (1596, 19311), (1722, 17898), (1884, 16359), (2198, 14022), (2337, 13188), (2394, 12874), (2583, 11932), (2826, 10906), (2983, 10332), (3116, 9891), (3297, 9348), (3444, 8949), (4396, 7011), (4674, 6594), (4788, 6437), (5166, 5966), (5453, 5652)]