27981984

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 83613600

約数和(自身を除く): 55631616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 29, 32, 38, 46, 48, 57, 58, 69, 76, 87, 92, 96, 114, 116, 138, 152, 174, 184, 228, 232, 276, 304, 348, 368, 437, 456, 464, 529, 551, 552, 608, 667, 696, 736, 874, 912, 928, 1058, 1102, 1104, 1311, 1334, 1392, 1587, 1653, 1748, 1824, 2001, 2116, 2204, 2208, 2622, 2668, 2784, 3174, 3306, 3496, 4002, 4232, 4408, 5244, 5336, 6348, 6612, 6992, 8004, 8464, 8816, 10051, 10488, 10672, 12673, 12696, 13224, 13984, 15341, 16008, 16928, 17632, 20102, 20976, 21344, 25346, 25392, 26448, 30153, 30682, 32016, 38019, 40204, 41952, 46023, 50692, 50784, 52896, 60306, 61364, 64032, 76038, 80408, 92046, 101384, 120612, 122728, 152076, 160816, 184092, 202768, 241224, 245456, 291479, 304152, 321632, 368184, 405536, 482448, 490912, 582958, 608304, 736368, 874437, 964896, 1165916, 1216608, 1472736, 1748874, 2331832, 3497748, 4663664, 6995496, 9327328, 13990992, 27981984]

約数ペア:

[(1, 27981984), (2, 13990992), (3, 9327328), (4, 6995496), (6, 4663664), (8, 3497748), (12, 2331832), (16, 1748874), (19, 1472736), (23, 1216608), (24, 1165916), (29, 964896), (32, 874437), (38, 736368), (46, 608304), (48, 582958), (57, 490912), (58, 482448), (69, 405536), (76, 368184), (87, 321632), (92, 304152), (96, 291479), (114, 245456), (116, 241224), (138, 202768), (152, 184092), (174, 160816), (184, 152076), (228, 122728), (232, 120612), (276, 101384), (304, 92046), (348, 80408), (368, 76038), (437, 64032), (456, 61364), (464, 60306), (529, 52896), (551, 50784), (552, 50692), (608, 46023), (667, 41952), (696, 40204), (736, 38019), (874, 32016), (912, 30682), (928, 30153), (1058, 26448), (1102, 25392), (1104, 25346), (1311, 21344), (1334, 20976), (1392, 20102), (1587, 17632), (1653, 16928), (1748, 16008), (1824, 15341), (2001, 13984), (2116, 13224), (2204, 12696), (2208, 12673), (2622, 10672), (2668, 10488), (2784, 10051), (3174, 8816), (3306, 8464), (3496, 8004), (4002, 6992), (4232, 6612), (4408, 6348), (5244, 5336)]