31453920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{809}}^1$

素因数の和:839

約数の個数: 144

約数和(自身を含む): 111449520

約数和(自身を除く): 79995600

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, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 809, 810, 864, 972, 1080, 1215, 1296, 1440, 1618, 1620, 1944, 2160, 2427, 2430, 2592, 3236, 3240, 3888, 4045, 4320, 4854, 4860, 6472, 6480, 7281, 7776, 8090, 9708, 9720, 12135, 12944, 12960, 14562, 16180, 19416, 19440, 21843, 24270, 25888, 29124, 32360, 36405, 38832, 38880, 43686, 48540, 58248, 64720, 65529, 72810, 77664, 87372, 97080, 109215, 116496, 129440, 131058, 145620, 174744, 194160, 196587, 218430, 232992, 262116, 291240, 327645, 349488, 388320, 393174, 436860, 524232, 582480, 655290, 698976, 786348, 873720, 982935, 1048464, 1164960, 1310580, 1572696, 1747440, 1965870, 2096928, 2621160, 3145392, 3494880, 3931740, 5242320, 6290784, 7863480, 10484640, 15726960, 31453920]

約数ペア:

[(1, 31453920), (2, 15726960), (3, 10484640), (4, 7863480), (5, 6290784), (6, 5242320), (8, 3931740), (9, 3494880), (10, 3145392), (12, 2621160), (15, 2096928), (16, 1965870), (18, 1747440), (20, 1572696), (24, 1310580), (27, 1164960), (30, 1048464), (32, 982935), (36, 873720), (40, 786348), (45, 698976), (48, 655290), (54, 582480), (60, 524232), (72, 436860), (80, 393174), (81, 388320), (90, 349488), (96, 327645), (108, 291240), (120, 262116), (135, 232992), (144, 218430), (160, 196587), (162, 194160), (180, 174744), (216, 145620), (240, 131058), (243, 129440), (270, 116496), (288, 109215), (324, 97080), (360, 87372), (405, 77664), (432, 72810), (480, 65529), (486, 64720), (540, 58248), (648, 48540), (720, 43686), (809, 38880), (810, 38832), (864, 36405), (972, 32360), (1080, 29124), (1215, 25888), (1296, 24270), (1440, 21843), (1618, 19440), (1620, 19416), (1944, 16180), (2160, 14562), (2427, 12960), (2430, 12944), (2592, 12135), (3236, 9720), (3240, 9708), (3888, 8090), (4045, 7776), (4320, 7281), (4854, 6480), (4860, 6472)]