156910720

素因数分解:

$2^7\times 5^1\times {\mathrm{245173}}^1$

素因数の和:245192

約数の個数: 32

約数和(自身を含む): 375116220

約数和(自身を除く): 218205500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 245173, 490346, 980692, 1225865, 1961384, 2451730, 3922768, 4903460, 7845536, 9806920, 15691072, 19613840, 31382144, 39227680, 78455360, 156910720]

約数ペア:

[(1, 156910720), (2, 78455360), (4, 39227680), (5, 31382144), (8, 19613840), (10, 15691072), (16, 9806920), (20, 7845536), (32, 4903460), (40, 3922768), (64, 2451730), (80, 1961384), (128, 1225865), (160, 980692), (320, 490346), (640, 245173)]