66139720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 167443200

約数和(自身を除く): 101303480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 37, 40, 46, 58, 67, 74, 92, 115, 116, 134, 145, 148, 184, 185, 230, 232, 268, 290, 296, 335, 370, 460, 536, 580, 667, 670, 740, 851, 920, 1073, 1160, 1334, 1340, 1480, 1541, 1702, 1943, 2146, 2479, 2668, 2680, 3082, 3335, 3404, 3886, 4255, 4292, 4958, 5336, 5365, 6164, 6670, 6808, 7705, 7772, 8510, 8584, 9715, 9916, 10730, 12328, 12395, 13340, 15410, 15544, 17020, 19430, 19832, 21460, 24679, 24790, 26680, 30820, 34040, 38860, 42920, 44689, 49358, 49580, 57017, 61640, 71891, 77720, 89378, 98716, 99160, 114034, 123395, 143782, 178756, 197432, 223445, 228068, 246790, 285085, 287564, 357512, 359455, 446890, 456136, 493580, 570170, 575128, 718910, 893780, 987160, 1140340, 1437820, 1653493, 1787560, 2280680, 2875640, 3306986, 6613972, 8267465, 13227944, 16534930, 33069860, 66139720]

約数ペア:

[(1, 66139720), (2, 33069860), (4, 16534930), (5, 13227944), (8, 8267465), (10, 6613972), (20, 3306986), (23, 2875640), (29, 2280680), (37, 1787560), (40, 1653493), (46, 1437820), (58, 1140340), (67, 987160), (74, 893780), (92, 718910), (115, 575128), (116, 570170), (134, 493580), (145, 456136), (148, 446890), (184, 359455), (185, 357512), (230, 287564), (232, 285085), (268, 246790), (290, 228068), (296, 223445), (335, 197432), (370, 178756), (460, 143782), (536, 123395), (580, 114034), (667, 99160), (670, 98716), (740, 89378), (851, 77720), (920, 71891), (1073, 61640), (1160, 57017), (1334, 49580), (1340, 49358), (1480, 44689), (1541, 42920), (1702, 38860), (1943, 34040), (2146, 30820), (2479, 26680), (2668, 24790), (2680, 24679), (3082, 21460), (3335, 19832), (3404, 19430), (3886, 17020), (4255, 15544), (4292, 15410), (4958, 13340), (5336, 12395), (5365, 12328), (6164, 10730), (6670, 9916), (6808, 9715), (7705, 8584), (7772, 8510)]