161215920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{8293}}^1$

素因数の和:8321

約数の個数: 120

約数和(自身を含む): 561536976

約数和(自身を除く): 400321056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 8293, 9720, 16586, 19440, 24879, 33172, 41465, 49758, 66344, 74637, 82930, 99516, 124395, 132688, 149274, 165860, 199032, 223911, 248790, 298548, 331720, 373185, 398064, 447822, 497580, 597096, 663440, 671733, 746370, 895644, 995160, 1119555, 1194192, 1343466, 1492740, 1791288, 1990320, 2015199, 2239110, 2686932, 2985480, 3358665, 3582576, 4030398, 4478220, 5373864, 5970960, 6717330, 8060796, 8956440, 10075995, 10747728, 13434660, 16121592, 17912880, 20151990, 26869320, 32243184, 40303980, 53738640, 80607960, 161215920]

約数ペア:

[(1, 161215920), (2, 80607960), (3, 53738640), (4, 40303980), (5, 32243184), (6, 26869320), (8, 20151990), (9, 17912880), (10, 16121592), (12, 13434660), (15, 10747728), (16, 10075995), (18, 8956440), (20, 8060796), (24, 6717330), (27, 5970960), (30, 5373864), (36, 4478220), (40, 4030398), (45, 3582576), (48, 3358665), (54, 2985480), (60, 2686932), (72, 2239110), (80, 2015199), (81, 1990320), (90, 1791288), (108, 1492740), (120, 1343466), (135, 1194192), (144, 1119555), (162, 995160), (180, 895644), (216, 746370), (240, 671733), (243, 663440), (270, 597096), (324, 497580), (360, 447822), (405, 398064), (432, 373185), (486, 331720), (540, 298548), (648, 248790), (720, 223911), (810, 199032), (972, 165860), (1080, 149274), (1215, 132688), (1296, 124395), (1620, 99516), (1944, 82930), (2160, 74637), (2430, 66344), (3240, 49758), (3888, 41465), (4860, 33172), (6480, 24879), (8293, 19440), (9720, 16586)]