398798640

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{61543}}^1$

素因数の和:61568

約数の個数: 100

約数和(自身を含む): 1385109264

約数和(自身を除く): 986310624

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 61543, 123086, 184629, 246172, 307715, 369258, 492344, 553887, 615430, 738516, 923145, 984688, 1107774, 1230860, 1477032, 1661661, 1846290, 2215548, 2461720, 2769435, 2954064, 3323322, 3692580, 4431096, 4923440, 4984983, 5538870, 6646644, 7385160, 8308305, 8862192, 9969966, 11077740, 13293288, 14770320, 16616610, 19939932, 22155480, 24924915, 26586576, 33233220, 39879864, 44310960, 49849830, 66466440, 79759728, 99699660, 132932880, 199399320, 398798640]

約数ペア:

[(1, 398798640), (2, 199399320), (3, 132932880), (4, 99699660), (5, 79759728), (6, 66466440), (8, 49849830), (9, 44310960), (10, 39879864), (12, 33233220), (15, 26586576), (16, 24924915), (18, 22155480), (20, 19939932), (24, 16616610), (27, 14770320), (30, 13293288), (36, 11077740), (40, 9969966), (45, 8862192), (48, 8308305), (54, 7385160), (60, 6646644), (72, 5538870), (80, 4984983), (81, 4923440), (90, 4431096), (108, 3692580), (120, 3323322), (135, 2954064), (144, 2769435), (162, 2461720), (180, 2215548), (216, 1846290), (240, 1661661), (270, 1477032), (324, 1230860), (360, 1107774), (405, 984688), (432, 923145), (540, 738516), (648, 615430), (720, 553887), (810, 492344), (1080, 369258), (1296, 307715), (1620, 246172), (2160, 184629), (3240, 123086), (6480, 61543)]