81449070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38239}}^1$

素因数の和:38320

約数の個数: 32

約数和(自身を含む): 198236160

約数和(自身を除く): 116787090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 38239, 76478, 114717, 191195, 229434, 382390, 573585, 1147170, 2714969, 5429938, 8144907, 13574845, 16289814, 27149690, 40724535, 81449070]

約数ペア:

[(1, 81449070), (2, 40724535), (3, 27149690), (5, 16289814), (6, 13574845), (10, 8144907), (15, 5429938), (30, 2714969), (71, 1147170), (142, 573585), (213, 382390), (355, 229434), (426, 191195), (710, 114717), (1065, 76478), (2130, 38239)]