81138528

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2633}}^1$

素因数の和:2756

約数の個数: 72

約数和(自身を含む): 232982568

約数和(自身を除く): 151844040

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 107, 144, 214, 288, 321, 428, 642, 856, 963, 1284, 1712, 1926, 2568, 2633, 3424, 3852, 5136, 5266, 7704, 7899, 10272, 10532, 15408, 15798, 21064, 23697, 30816, 31596, 42128, 47394, 63192, 84256, 94788, 126384, 189576, 252768, 281731, 379152, 563462, 758304, 845193, 1126924, 1690386, 2253848, 2535579, 3380772, 4507696, 5071158, 6761544, 9015392, 10142316, 13523088, 20284632, 27046176, 40569264, 81138528]

約数ペア:

[(1, 81138528), (2, 40569264), (3, 27046176), (4, 20284632), (6, 13523088), (8, 10142316), (9, 9015392), (12, 6761544), (16, 5071158), (18, 4507696), (24, 3380772), (32, 2535579), (36, 2253848), (48, 1690386), (72, 1126924), (96, 845193), (107, 758304), (144, 563462), (214, 379152), (288, 281731), (321, 252768), (428, 189576), (642, 126384), (856, 94788), (963, 84256), (1284, 63192), (1712, 47394), (1926, 42128), (2568, 31596), (2633, 30816), (3424, 23697), (3852, 21064), (5136, 15798), (5266, 15408), (7704, 10532), (7899, 10272)]