1788520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 4095720

約数和(自身を除く): 2307200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 733, 1220, 1466, 2440, 2932, 3665, 5864, 7330, 14660, 29320, 44713, 89426, 178852, 223565, 357704, 447130, 894260, 1788520]

約数ペア:

[(1, 1788520), (2, 894260), (4, 447130), (5, 357704), (8, 223565), (10, 178852), (20, 89426), (40, 44713), (61, 29320), (122, 14660), (244, 7330), (305, 5864), (488, 3665), (610, 2932), (733, 2440), (1220, 1466)]