26780760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 128

約数和(自身を含む): 90417600

約数和(自身を除く): 63636840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 137, 180, 181, 216, 270, 274, 360, 362, 411, 540, 543, 548, 685, 724, 822, 905, 1080, 1086, 1096, 1233, 1370, 1448, 1629, 1644, 1810, 2055, 2172, 2466, 2715, 2740, 3258, 3288, 3620, 3699, 4110, 4344, 4887, 4932, 5430, 5480, 6165, 6516, 7240, 7398, 8145, 8220, 9774, 9864, 10860, 12330, 13032, 14796, 16290, 16440, 18495, 19548, 21720, 24435, 24660, 24797, 29592, 32580, 36990, 39096, 48870, 49320, 49594, 65160, 73980, 74391, 97740, 99188, 123985, 147960, 148782, 195480, 198376, 223173, 247970, 297564, 371955, 446346, 495940, 595128, 669519, 743910, 892692, 991880, 1115865, 1339038, 1487820, 1785384, 2231730, 2678076, 2975640, 3347595, 4463460, 5356152, 6695190, 8926920, 13390380, 26780760]

約数ペア:

[(1, 26780760), (2, 13390380), (3, 8926920), (4, 6695190), (5, 5356152), (6, 4463460), (8, 3347595), (9, 2975640), (10, 2678076), (12, 2231730), (15, 1785384), (18, 1487820), (20, 1339038), (24, 1115865), (27, 991880), (30, 892692), (36, 743910), (40, 669519), (45, 595128), (54, 495940), (60, 446346), (72, 371955), (90, 297564), (108, 247970), (120, 223173), (135, 198376), (137, 195480), (180, 148782), (181, 147960), (216, 123985), (270, 99188), (274, 97740), (360, 74391), (362, 73980), (411, 65160), (540, 49594), (543, 49320), (548, 48870), (685, 39096), (724, 36990), (822, 32580), (905, 29592), (1080, 24797), (1086, 24660), (1096, 24435), (1233, 21720), (1370, 19548), (1448, 18495), (1629, 16440), (1644, 16290), (1810, 14796), (2055, 13032), (2172, 12330), (2466, 10860), (2715, 9864), (2740, 9774), (3258, 8220), (3288, 8145), (3620, 7398), (3699, 7240), (4110, 6516), (4344, 6165), (4887, 5480), (4932, 5430)]