81440784

素因数分解:

$2^4\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7159}}^1$

素因数の和:7252

約数の個数: 60

約数和(自身を含む): 230838400

約数和(自身を除く): 149397616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 79, 144, 158, 237, 316, 474, 632, 711, 948, 1264, 1422, 1896, 2844, 3792, 5688, 7159, 11376, 14318, 21477, 28636, 42954, 57272, 64431, 85908, 114544, 128862, 171816, 257724, 343632, 515448, 565561, 1030896, 1131122, 1696683, 2262244, 3393366, 4524488, 5090049, 6786732, 9048976, 10180098, 13573464, 20360196, 27146928, 40720392, 81440784]

約数ペア:

[(1, 81440784), (2, 40720392), (3, 27146928), (4, 20360196), (6, 13573464), (8, 10180098), (9, 9048976), (12, 6786732), (16, 5090049), (18, 4524488), (24, 3393366), (36, 2262244), (48, 1696683), (72, 1131122), (79, 1030896), (144, 565561), (158, 515448), (237, 343632), (316, 257724), (474, 171816), (632, 128862), (711, 114544), (948, 85908), (1264, 64431), (1422, 57272), (1896, 42954), (2844, 28636), (3792, 21477), (5688, 14318), (7159, 11376)]