139278240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{311}}^2$

素因数の和:643

約数の個数: 108

約数和(自身を含む): 476820162

約数和(自身を除く): 337541922

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 311, 360, 480, 622, 720, 933, 1244, 1440, 1555, 1866, 2488, 2799, 3110, 3732, 4665, 4976, 5598, 6220, 7464, 9330, 9952, 11196, 12440, 13995, 14928, 18660, 22392, 24880, 27990, 29856, 37320, 44784, 49760, 55980, 74640, 89568, 96721, 111960, 149280, 193442, 223920, 290163, 386884, 447840, 483605, 580326, 773768, 870489, 967210, 1160652, 1450815, 1547536, 1740978, 1934420, 2321304, 2901630, 3095072, 3481956, 3868840, 4352445, 4642608, 5803260, 6963912, 7737680, 8704890, 9285216, 11606520, 13927824, 15475360, 17409780, 23213040, 27855648, 34819560, 46426080, 69639120, 139278240]

約数ペア:

[(1, 139278240), (2, 69639120), (3, 46426080), (4, 34819560), (5, 27855648), (6, 23213040), (8, 17409780), (9, 15475360), (10, 13927824), (12, 11606520), (15, 9285216), (16, 8704890), (18, 7737680), (20, 6963912), (24, 5803260), (30, 4642608), (32, 4352445), (36, 3868840), (40, 3481956), (45, 3095072), (48, 2901630), (60, 2321304), (72, 1934420), (80, 1740978), (90, 1547536), (96, 1450815), (120, 1160652), (144, 967210), (160, 870489), (180, 773768), (240, 580326), (288, 483605), (311, 447840), (360, 386884), (480, 290163), (622, 223920), (720, 193442), (933, 149280), (1244, 111960), (1440, 96721), (1555, 89568), (1866, 74640), (2488, 55980), (2799, 49760), (3110, 44784), (3732, 37320), (4665, 29856), (4976, 27990), (5598, 24880), (6220, 22392), (7464, 18660), (9330, 14928), (9952, 13995), (11196, 12440)]