81305808

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 219366912

約数和(自身を除く): 138061104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 101, 124, 186, 202, 248, 303, 372, 404, 496, 541, 606, 744, 808, 1082, 1212, 1488, 1616, 1623, 2164, 2424, 3131, 3246, 4328, 4848, 6262, 6492, 8656, 9393, 12524, 12984, 16771, 18786, 25048, 25968, 33542, 37572, 50096, 50313, 54641, 67084, 75144, 100626, 109282, 134168, 150288, 163923, 201252, 218564, 268336, 327846, 402504, 437128, 655692, 805008, 874256, 1311384, 1693871, 2622768, 3387742, 5081613, 6775484, 10163226, 13550968, 20326452, 27101936, 40652904, 81305808]

約数ペア:

[(1, 81305808), (2, 40652904), (3, 27101936), (4, 20326452), (6, 13550968), (8, 10163226), (12, 6775484), (16, 5081613), (24, 3387742), (31, 2622768), (48, 1693871), (62, 1311384), (93, 874256), (101, 805008), (124, 655692), (186, 437128), (202, 402504), (248, 327846), (303, 268336), (372, 218564), (404, 201252), (496, 163923), (541, 150288), (606, 134168), (744, 109282), (808, 100626), (1082, 75144), (1212, 67084), (1488, 54641), (1616, 50313), (1623, 50096), (2164, 37572), (2424, 33542), (3131, 25968), (3246, 25048), (4328, 18786), (4848, 16771), (6262, 12984), (6492, 12524), (8656, 9393)]