81054990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39157}}^1$

素因数の和:39193

約数の個数: 48

約数和(自身を含む): 219911328

約数和(自身を除く): 138856338

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 39157, 78314, 117471, 195785, 234942, 352413, 391570, 587355, 704826, 900611, 1174710, 1762065, 1801222, 2701833, 3524130, 4503055, 5403666, 8105499, 9006110, 13509165, 16210998, 27018330, 40527495, 81054990]

約数ペア:

[(1, 81054990), (2, 40527495), (3, 27018330), (5, 16210998), (6, 13509165), (9, 9006110), (10, 8105499), (15, 5403666), (18, 4503055), (23, 3524130), (30, 2701833), (45, 1801222), (46, 1762065), (69, 1174710), (90, 900611), (115, 704826), (138, 587355), (207, 391570), (230, 352413), (345, 234942), (414, 195785), (690, 117471), (1035, 78314), (2070, 39157)]