31985280

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{617}}^1$

素因数の和:648

約数の個数: 160

約数和(自身を含む): 114410340

約数和(自身を除く): 82425060

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 617, 640, 648, 720, 810, 864, 960, 1080, 1152, 1234, 1296, 1440, 1620, 1728, 1851, 1920, 2160, 2468, 2592, 2880, 3085, 3240, 3456, 3702, 4320, 4936, 5184, 5553, 5760, 6170, 6480, 7404, 8640, 9255, 9872, 10368, 11106, 12340, 12960, 14808, 16659, 17280, 18510, 19744, 22212, 24680, 25920, 27765, 29616, 33318, 37020, 39488, 44424, 49360, 49977, 51840, 55530, 59232, 66636, 74040, 78976, 83295, 88848, 98720, 99954, 111060, 118464, 133272, 148080, 166590, 177696, 197440, 199908, 222120, 236928, 249885, 266544, 296160, 333180, 355392, 394880, 399816, 444240, 499770, 533088, 592320, 666360, 710784, 799632, 888480, 999540, 1066176, 1184640, 1332720, 1599264, 1776960, 1999080, 2132352, 2665440, 3198528, 3553920, 3998160, 5330880, 6397056, 7996320, 10661760, 15992640, 31985280]

約数ペア:

[(1, 31985280), (2, 15992640), (3, 10661760), (4, 7996320), (5, 6397056), (6, 5330880), (8, 3998160), (9, 3553920), (10, 3198528), (12, 2665440), (15, 2132352), (16, 1999080), (18, 1776960), (20, 1599264), (24, 1332720), (27, 1184640), (30, 1066176), (32, 999540), (36, 888480), (40, 799632), (45, 710784), (48, 666360), (54, 592320), (60, 533088), (64, 499770), (72, 444240), (80, 399816), (81, 394880), (90, 355392), (96, 333180), (108, 296160), (120, 266544), (128, 249885), (135, 236928), (144, 222120), (160, 199908), (162, 197440), (180, 177696), (192, 166590), (216, 148080), (240, 133272), (270, 118464), (288, 111060), (320, 99954), (324, 98720), (360, 88848), (384, 83295), (405, 78976), (432, 74040), (480, 66636), (540, 59232), (576, 55530), (617, 51840), (640, 49977), (648, 49360), (720, 44424), (810, 39488), (864, 37020), (960, 33318), (1080, 29616), (1152, 27765), (1234, 25920), (1296, 24680), (1440, 22212), (1620, 19744), (1728, 18510), (1851, 17280), (1920, 16659), (2160, 14808), (2468, 12960), (2592, 12340), (2880, 11106), (3085, 10368), (3240, 9872), (3456, 9255), (3702, 8640), (4320, 7404), (4936, 6480), (5184, 6170), (5553, 5760)]