27421920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 94938480

約数和(自身を除く): 67516560

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, 137, 139, 144, 160, 180, 240, 274, 278, 288, 360, 411, 417, 480, 548, 556, 685, 695, 720, 822, 834, 1096, 1112, 1233, 1251, 1370, 1390, 1440, 1644, 1668, 2055, 2085, 2192, 2224, 2466, 2502, 2740, 2780, 3288, 3336, 4110, 4170, 4384, 4448, 4932, 5004, 5480, 5560, 6165, 6255, 6576, 6672, 8220, 8340, 9864, 10008, 10960, 11120, 12330, 12510, 13152, 13344, 16440, 16680, 19043, 19728, 20016, 21920, 22240, 24660, 25020, 32880, 33360, 38086, 39456, 40032, 49320, 50040, 57129, 65760, 66720, 76172, 95215, 98640, 100080, 114258, 152344, 171387, 190430, 197280, 200160, 228516, 285645, 304688, 342774, 380860, 457032, 571290, 609376, 685548, 761720, 856935, 914064, 1142580, 1371096, 1523440, 1713870, 1828128, 2285160, 2742192, 3046880, 3427740, 4570320, 5484384, 6855480, 9140640, 13710960, 27421920]

約数ペア:

[(1, 27421920), (2, 13710960), (3, 9140640), (4, 6855480), (5, 5484384), (6, 4570320), (8, 3427740), (9, 3046880), (10, 2742192), (12, 2285160), (15, 1828128), (16, 1713870), (18, 1523440), (20, 1371096), (24, 1142580), (30, 914064), (32, 856935), (36, 761720), (40, 685548), (45, 609376), (48, 571290), (60, 457032), (72, 380860), (80, 342774), (90, 304688), (96, 285645), (120, 228516), (137, 200160), (139, 197280), (144, 190430), (160, 171387), (180, 152344), (240, 114258), (274, 100080), (278, 98640), (288, 95215), (360, 76172), (411, 66720), (417, 65760), (480, 57129), (548, 50040), (556, 49320), (685, 40032), (695, 39456), (720, 38086), (822, 33360), (834, 32880), (1096, 25020), (1112, 24660), (1233, 22240), (1251, 21920), (1370, 20016), (1390, 19728), (1440, 19043), (1644, 16680), (1668, 16440), (2055, 13344), (2085, 13152), (2192, 12510), (2224, 12330), (2466, 11120), (2502, 10960), (2740, 10008), (2780, 9864), (3288, 8340), (3336, 8220), (4110, 6672), (4170, 6576), (4384, 6255), (4448, 6165), (4932, 5560), (5004, 5480)]