55295240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 128

約数和(自身を含む): 167166720

約数和(自身を除く): 111871480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1381, 1430, 1540, 1820, 2002, 2762, 2860, 3080, 3640, 4004, 5005, 5524, 5720, 6905, 8008, 9667, 10010, 11048, 13810, 15191, 17953, 19334, 20020, 27620, 30382, 35906, 38668, 40040, 48335, 55240, 60764, 71812, 75955, 77336, 89765, 96670, 106337, 121528, 125671, 143624, 151910, 179530, 193340, 197483, 212674, 251342, 303820, 359060, 386680, 394966, 425348, 502684, 531685, 607640, 628355, 718120, 789932, 850696, 987415, 1005368, 1063370, 1256710, 1382381, 1579864, 1974830, 2126740, 2513420, 2764762, 3949660, 4253480, 5026840, 5529524, 6911905, 7899320, 11059048, 13823810, 27647620, 55295240]

約数ペア:

[(1, 55295240), (2, 27647620), (4, 13823810), (5, 11059048), (7, 7899320), (8, 6911905), (10, 5529524), (11, 5026840), (13, 4253480), (14, 3949660), (20, 2764762), (22, 2513420), (26, 2126740), (28, 1974830), (35, 1579864), (40, 1382381), (44, 1256710), (52, 1063370), (55, 1005368), (56, 987415), (65, 850696), (70, 789932), (77, 718120), (88, 628355), (91, 607640), (104, 531685), (110, 502684), (130, 425348), (140, 394966), (143, 386680), (154, 359060), (182, 303820), (220, 251342), (260, 212674), (280, 197483), (286, 193340), (308, 179530), (364, 151910), (385, 143624), (440, 125671), (455, 121528), (520, 106337), (572, 96670), (616, 89765), (715, 77336), (728, 75955), (770, 71812), (910, 60764), (1001, 55240), (1144, 48335), (1381, 40040), (1430, 38668), (1540, 35906), (1820, 30382), (2002, 27620), (2762, 20020), (2860, 19334), (3080, 17953), (3640, 15191), (4004, 13810), (5005, 11048), (5524, 10010), (5720, 9667), (6905, 8008)]