28089720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:890

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 68678280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 839, 930, 1080, 1116, 1240, 1395, 1674, 1678, 1860, 2232, 2517, 2790, 3348, 3356, 3720, 4185, 4195, 5034, 5580, 6696, 6712, 7551, 8370, 8390, 10068, 11160, 12585, 15102, 16740, 16780, 20136, 22653, 25170, 26009, 30204, 33480, 33560, 37755, 45306, 50340, 52018, 60408, 75510, 78027, 90612, 100680, 104036, 113265, 130045, 151020, 156054, 181224, 208072, 226530, 234081, 260090, 302040, 312108, 390135, 453060, 468162, 520180, 624216, 702243, 780270, 906120, 936324, 1040360, 1170405, 1404486, 1560540, 1872648, 2340810, 2808972, 3121080, 3511215, 4681620, 5617944, 7022430, 9363240, 14044860, 28089720]

約数ペア:

[(1, 28089720), (2, 14044860), (3, 9363240), (4, 7022430), (5, 5617944), (6, 4681620), (8, 3511215), (9, 3121080), (10, 2808972), (12, 2340810), (15, 1872648), (18, 1560540), (20, 1404486), (24, 1170405), (27, 1040360), (30, 936324), (31, 906120), (36, 780270), (40, 702243), (45, 624216), (54, 520180), (60, 468162), (62, 453060), (72, 390135), (90, 312108), (93, 302040), (108, 260090), (120, 234081), (124, 226530), (135, 208072), (155, 181224), (180, 156054), (186, 151020), (216, 130045), (248, 113265), (270, 104036), (279, 100680), (310, 90612), (360, 78027), (372, 75510), (465, 60408), (540, 52018), (558, 50340), (620, 45306), (744, 37755), (837, 33560), (839, 33480), (930, 30204), (1080, 26009), (1116, 25170), (1240, 22653), (1395, 20136), (1674, 16780), (1678, 16740), (1860, 15102), (2232, 12585), (2517, 11160), (2790, 10068), (3348, 8390), (3356, 8370), (3720, 7551), (4185, 6712), (4195, 6696), (5034, 5580)]