281437740

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 168

約数和(自身を含む): 899757600

約数和(自身を除く): 618319860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 180, 194, 199, 243, 270, 291, 324, 388, 398, 405, 485, 486, 540, 582, 597, 729, 796, 810, 873, 970, 972, 995, 1164, 1194, 1215, 1455, 1458, 1620, 1746, 1791, 1940, 1990, 2388, 2430, 2619, 2910, 2916, 2985, 3492, 3582, 3645, 3980, 4365, 4860, 5238, 5373, 5820, 5970, 7164, 7290, 7857, 8730, 8955, 10476, 10746, 11940, 13095, 14580, 15714, 16119, 17460, 17910, 19303, 21492, 23571, 26190, 26865, 31428, 32238, 35820, 38606, 39285, 47142, 48357, 52380, 53730, 57909, 64476, 70713, 77212, 78570, 80595, 94284, 96515, 96714, 107460, 115818, 117855, 141426, 145071, 157140, 161190, 173727, 193030, 193428, 231636, 235710, 241785, 282852, 289545, 290142, 322380, 347454, 353565, 386060, 471420, 483570, 521181, 579090, 580284, 694908, 707130, 725355, 868635, 967140, 1042362, 1158180, 1414260, 1450710, 1563543, 1737270, 2084724, 2605905, 2901420, 3127086, 3474540, 4690629, 5211810, 6254172, 7817715, 9381258, 10423620, 14071887, 15635430, 18762516, 23453145, 28143774, 31270860, 46906290, 56287548, 70359435, 93812580, 140718870, 281437740]

約数ペア:

[(1, 281437740), (2, 140718870), (3, 93812580), (4, 70359435), (5, 56287548), (6, 46906290), (9, 31270860), (10, 28143774), (12, 23453145), (15, 18762516), (18, 15635430), (20, 14071887), (27, 10423620), (30, 9381258), (36, 7817715), (45, 6254172), (54, 5211810), (60, 4690629), (81, 3474540), (90, 3127086), (97, 2901420), (108, 2605905), (135, 2084724), (162, 1737270), (180, 1563543), (194, 1450710), (199, 1414260), (243, 1158180), (270, 1042362), (291, 967140), (324, 868635), (388, 725355), (398, 707130), (405, 694908), (485, 580284), (486, 579090), (540, 521181), (582, 483570), (597, 471420), (729, 386060), (796, 353565), (810, 347454), (873, 322380), (970, 290142), (972, 289545), (995, 282852), (1164, 241785), (1194, 235710), (1215, 231636), (1455, 193428), (1458, 193030), (1620, 173727), (1746, 161190), (1791, 157140), (1940, 145071), (1990, 141426), (2388, 117855), (2430, 115818), (2619, 107460), (2910, 96714), (2916, 96515), (2985, 94284), (3492, 80595), (3582, 78570), (3645, 77212), (3980, 70713), (4365, 64476), (4860, 57909), (5238, 53730), (5373, 52380), (5820, 48357), (5970, 47142), (7164, 39285), (7290, 38606), (7857, 35820), (8730, 32238), (8955, 31428), (10476, 26865), (10746, 26190), (11940, 23571), (13095, 21492), (14580, 19303), (15714, 17910), (16119, 17460)]