73678720

素因数分解:

$2^7\times 5^1\times {\mathrm{115123}}^1$

素因数の和:115142

約数の個数: 32

約数和(自身を含む): 176139720

約数和(自身を除く): 102461000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 115123, 230246, 460492, 575615, 920984, 1151230, 1841968, 2302460, 3683936, 4604920, 7367872, 9209840, 14735744, 18419680, 36839360, 73678720]

約数ペア:

[(1, 73678720), (2, 36839360), (4, 18419680), (5, 14735744), (8, 9209840), (10, 7367872), (16, 4604920), (20, 3683936), (32, 2302460), (40, 1841968), (64, 1151230), (80, 920984), (128, 575615), (160, 460492), (320, 230246), (640, 115123)]