28080336

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 75731264

約数和(自身を除く): 47650928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 97, 111, 148, 163, 194, 222, 291, 296, 326, 388, 444, 489, 582, 592, 652, 776, 888, 978, 1164, 1304, 1552, 1776, 1956, 2328, 2608, 3589, 3912, 4656, 6031, 7178, 7824, 10767, 12062, 14356, 15811, 18093, 21534, 24124, 28712, 31622, 36186, 43068, 47433, 48248, 57424, 63244, 72372, 86136, 94866, 96496, 126488, 144744, 172272, 189732, 252976, 289488, 379464, 585007, 758928, 1170014, 1755021, 2340028, 3510042, 4680056, 7020084, 9360112, 14040168, 28080336]

約数ペア:

[(1, 28080336), (2, 14040168), (3, 9360112), (4, 7020084), (6, 4680056), (8, 3510042), (12, 2340028), (16, 1755021), (24, 1170014), (37, 758928), (48, 585007), (74, 379464), (97, 289488), (111, 252976), (148, 189732), (163, 172272), (194, 144744), (222, 126488), (291, 96496), (296, 94866), (326, 86136), (388, 72372), (444, 63244), (489, 57424), (582, 48248), (592, 47433), (652, 43068), (776, 36186), (888, 31622), (978, 28712), (1164, 24124), (1304, 21534), (1552, 18093), (1776, 15811), (1956, 14356), (2328, 12062), (2608, 10767), (3589, 7824), (3912, 7178), (4656, 6031)]