405997920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31327}}^1$

素因数の和:31354

約数の個数: 120

約数和(自身を含む): 1432880064

約数和(自身を除く): 1026882144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 31327, 62654, 93981, 125308, 156635, 187962, 250616, 281943, 313270, 375924, 469905, 501232, 563886, 626540, 751848, 845829, 939810, 1002464, 1127772, 1253080, 1409715, 1503696, 1691658, 1879620, 2255544, 2506160, 2537487, 2819430, 3007392, 3383316, 3759240, 4229145, 4511088, 5012320, 5074974, 5638860, 6766632, 7518480, 8458290, 9022176, 10149948, 11277720, 12687435, 13533264, 15036960, 16916580, 20299896, 22555440, 25374870, 27066528, 33833160, 40599792, 45110880, 50749740, 67666320, 81199584, 101499480, 135332640, 202998960, 405997920]

約数ペア:

[(1, 405997920), (2, 202998960), (3, 135332640), (4, 101499480), (5, 81199584), (6, 67666320), (8, 50749740), (9, 45110880), (10, 40599792), (12, 33833160), (15, 27066528), (16, 25374870), (18, 22555440), (20, 20299896), (24, 16916580), (27, 15036960), (30, 13533264), (32, 12687435), (36, 11277720), (40, 10149948), (45, 9022176), (48, 8458290), (54, 7518480), (60, 6766632), (72, 5638860), (80, 5074974), (81, 5012320), (90, 4511088), (96, 4229145), (108, 3759240), (120, 3383316), (135, 3007392), (144, 2819430), (160, 2537487), (162, 2506160), (180, 2255544), (216, 1879620), (240, 1691658), (270, 1503696), (288, 1409715), (324, 1253080), (360, 1127772), (405, 1002464), (432, 939810), (480, 845829), (540, 751848), (648, 626540), (720, 563886), (810, 501232), (864, 469905), (1080, 375924), (1296, 313270), (1440, 281943), (1620, 250616), (2160, 187962), (2592, 156635), (3240, 125308), (4320, 93981), (6480, 62654), (12960, 31327)]