220560480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21881}}^1$

素因数の和:21909

約数の個数: 144

約数和(自身を含む): 860225184

約数和(自身を除く): 639664704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21881, 43762, 65643, 87524, 109405, 131286, 153167, 175048, 196929, 218810, 262572, 306334, 328215, 350096, 393858, 437620, 459501, 525144, 612668, 656430, 700192, 765835, 787716, 875240, 919002, 984645, 1050288, 1225336, 1312860, 1378503, 1531670, 1575432, 1750480, 1838004, 1969290, 2100576, 2297505, 2450672, 2625720, 2757006, 3063340, 3150864, 3500960, 3676008, 3938580, 4595010, 4901344, 5251440, 5514012, 6126680, 6301728, 6892515, 7352016, 7877160, 9190020, 10502880, 11028024, 12253360, 13785030, 14704032, 15754320, 18380040, 22056048, 24506720, 27570060, 31508640, 36760080, 44112096, 55140120, 73520160, 110280240, 220560480]

約数ペア:

[(1, 220560480), (2, 110280240), (3, 73520160), (4, 55140120), (5, 44112096), (6, 36760080), (7, 31508640), (8, 27570060), (9, 24506720), (10, 22056048), (12, 18380040), (14, 15754320), (15, 14704032), (16, 13785030), (18, 12253360), (20, 11028024), (21, 10502880), (24, 9190020), (28, 7877160), (30, 7352016), (32, 6892515), (35, 6301728), (36, 6126680), (40, 5514012), (42, 5251440), (45, 4901344), (48, 4595010), (56, 3938580), (60, 3676008), (63, 3500960), (70, 3150864), (72, 3063340), (80, 2757006), (84, 2625720), (90, 2450672), (96, 2297505), (105, 2100576), (112, 1969290), (120, 1838004), (126, 1750480), (140, 1575432), (144, 1531670), (160, 1378503), (168, 1312860), (180, 1225336), (210, 1050288), (224, 984645), (240, 919002), (252, 875240), (280, 787716), (288, 765835), (315, 700192), (336, 656430), (360, 612668), (420, 525144), (480, 459501), (504, 437620), (560, 393858), (630, 350096), (672, 328215), (720, 306334), (840, 262572), (1008, 218810), (1120, 196929), (1260, 175048), (1440, 153167), (1680, 131286), (2016, 109405), (2520, 87524), (3360, 65643), (5040, 43762), (10080, 21881)]