172675840

素因数分解:

$2^8\times 5^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 415896768

約数和(自身を除く): 243220928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 431, 626, 640, 862, 1252, 1280, 1565, 1724, 2155, 2504, 3130, 3448, 4310, 5008, 6260, 6896, 8620, 10016, 12520, 13792, 17240, 20032, 25040, 27584, 34480, 40064, 50080, 55168, 68960, 80128, 100160, 110336, 134903, 137920, 200320, 269806, 275840, 400640, 539612, 551680, 674515, 1079224, 1349030, 2158448, 2698060, 4316896, 5396120, 8633792, 10792240, 17267584, 21584480, 34535168, 43168960, 86337920, 172675840]

約数ペア:

[(1, 172675840), (2, 86337920), (4, 43168960), (5, 34535168), (8, 21584480), (10, 17267584), (16, 10792240), (20, 8633792), (32, 5396120), (40, 4316896), (64, 2698060), (80, 2158448), (128, 1349030), (160, 1079224), (256, 674515), (313, 551680), (320, 539612), (431, 400640), (626, 275840), (640, 269806), (862, 200320), (1252, 137920), (1280, 134903), (1565, 110336), (1724, 100160), (2155, 80128), (2504, 68960), (3130, 55168), (3448, 50080), (4310, 40064), (5008, 34480), (6260, 27584), (6896, 25040), (8620, 20032), (10016, 17240), (12520, 13792)]