80431120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1187}}^1$

素因数の和:1229

約数の個数: 120

約数和(自身を含む): 235109952

約数和(自身を除く): 154678832

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 440, 484, 560, 605, 616, 770, 847, 880, 968, 1187, 1210, 1232, 1540, 1694, 1936, 2374, 2420, 3080, 3388, 4235, 4748, 4840, 5935, 6160, 6776, 8309, 8470, 9496, 9680, 11870, 13057, 13552, 16618, 16940, 18992, 23740, 26114, 33236, 33880, 41545, 47480, 52228, 65285, 66472, 67760, 83090, 91399, 94960, 104456, 130570, 132944, 143627, 166180, 182798, 208912, 261140, 287254, 332360, 365596, 456995, 522280, 574508, 664720, 718135, 731192, 913990, 1005389, 1044560, 1149016, 1436270, 1462384, 1827980, 2010778, 2298032, 2872540, 3655960, 4021556, 5026945, 5745080, 7311920, 8043112, 10053890, 11490160, 16086224, 20107780, 40215560, 80431120]

約数ペア:

[(1, 80431120), (2, 40215560), (4, 20107780), (5, 16086224), (7, 11490160), (8, 10053890), (10, 8043112), (11, 7311920), (14, 5745080), (16, 5026945), (20, 4021556), (22, 3655960), (28, 2872540), (35, 2298032), (40, 2010778), (44, 1827980), (55, 1462384), (56, 1436270), (70, 1149016), (77, 1044560), (80, 1005389), (88, 913990), (110, 731192), (112, 718135), (121, 664720), (140, 574508), (154, 522280), (176, 456995), (220, 365596), (242, 332360), (280, 287254), (308, 261140), (385, 208912), (440, 182798), (484, 166180), (560, 143627), (605, 132944), (616, 130570), (770, 104456), (847, 94960), (880, 91399), (968, 83090), (1187, 67760), (1210, 66472), (1232, 65285), (1540, 52228), (1694, 47480), (1936, 41545), (2374, 33880), (2420, 33236), (3080, 26114), (3388, 23740), (4235, 18992), (4748, 16940), (4840, 16618), (5935, 13552), (6160, 13057), (6776, 11870), (8309, 9680), (8470, 9496)]