28440672

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1753}}^1$

素因数の和:1792

約数の個数: 72

約数和(自身を含む): 80887464

約数和(自身を除く): 52446792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1352, 1753, 2028, 2704, 3506, 4056, 5259, 5408, 7012, 8112, 10518, 14024, 16224, 21036, 22789, 28048, 42072, 45578, 56096, 68367, 84144, 91156, 136734, 168288, 182312, 273468, 296257, 364624, 546936, 592514, 729248, 888771, 1093872, 1185028, 1777542, 2187744, 2370056, 3555084, 4740112, 7110168, 9480224, 14220336, 28440672]

約数ペア:

[(1, 28440672), (2, 14220336), (3, 9480224), (4, 7110168), (6, 4740112), (8, 3555084), (12, 2370056), (13, 2187744), (16, 1777542), (24, 1185028), (26, 1093872), (32, 888771), (39, 729248), (48, 592514), (52, 546936), (78, 364624), (96, 296257), (104, 273468), (156, 182312), (169, 168288), (208, 136734), (312, 91156), (338, 84144), (416, 68367), (507, 56096), (624, 45578), (676, 42072), (1014, 28048), (1248, 22789), (1352, 21036), (1753, 16224), (2028, 14024), (2704, 10518), (3506, 8112), (4056, 7012), (5259, 5408)]