81379320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61651}}^1$

素因数の和:61676

約数の個数: 64

約数和(自身を含む): 266336640

約数和(自身を除く): 184957320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 61651, 123302, 184953, 246604, 308255, 369906, 493208, 616510, 678161, 739812, 924765, 1233020, 1356322, 1479624, 1849530, 2034483, 2466040, 2712644, 3390805, 3699060, 4068966, 5425288, 6781610, 7398120, 8137932, 10172415, 13563220, 16275864, 20344830, 27126440, 40689660, 81379320]

約数ペア:

[(1, 81379320), (2, 40689660), (3, 27126440), (4, 20344830), (5, 16275864), (6, 13563220), (8, 10172415), (10, 8137932), (11, 7398120), (12, 6781610), (15, 5425288), (20, 4068966), (22, 3699060), (24, 3390805), (30, 2712644), (33, 2466040), (40, 2034483), (44, 1849530), (55, 1479624), (60, 1356322), (66, 1233020), (88, 924765), (110, 739812), (120, 678161), (132, 616510), (165, 493208), (220, 369906), (264, 308255), (330, 246604), (440, 184953), (660, 123302), (1320, 61651)]