27647620

素因数分解:

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

素因数の和:1421

約数の個数: 96

約数和(自身を含む): 78011136

約数和(自身を除く): 50363516

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1381, 1430, 1540, 1820, 2002, 2762, 2860, 4004, 5005, 5524, 6905, 9667, 10010, 13810, 15191, 17953, 19334, 20020, 27620, 30382, 35906, 38668, 48335, 60764, 71812, 75955, 89765, 96670, 106337, 125671, 151910, 179530, 193340, 197483, 212674, 251342, 303820, 359060, 394966, 425348, 502684, 531685, 628355, 789932, 987415, 1063370, 1256710, 1382381, 1974830, 2126740, 2513420, 2764762, 3949660, 5529524, 6911905, 13823810, 27647620]

約数ペア:

[(1, 27647620), (2, 13823810), (4, 6911905), (5, 5529524), (7, 3949660), (10, 2764762), (11, 2513420), (13, 2126740), (14, 1974830), (20, 1382381), (22, 1256710), (26, 1063370), (28, 987415), (35, 789932), (44, 628355), (52, 531685), (55, 502684), (65, 425348), (70, 394966), (77, 359060), (91, 303820), (110, 251342), (130, 212674), (140, 197483), (143, 193340), (154, 179530), (182, 151910), (220, 125671), (260, 106337), (286, 96670), (308, 89765), (364, 75955), (385, 71812), (455, 60764), (572, 48335), (715, 38668), (770, 35906), (910, 30382), (1001, 27620), (1381, 20020), (1430, 19334), (1540, 17953), (1820, 15191), (2002, 13810), (2762, 10010), (2860, 9667), (4004, 6905), (5005, 5524)]