179155720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 412128000

約数和(自身を除く): 232972280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 199, 284, 317, 355, 398, 568, 634, 710, 796, 995, 1268, 1420, 1585, 1592, 1990, 2536, 2840, 3170, 3980, 6340, 7960, 12680, 14129, 22507, 28258, 45014, 56516, 63083, 70645, 90028, 112535, 113032, 126166, 141290, 180056, 225070, 252332, 282580, 315415, 450140, 504664, 565160, 630830, 900280, 1261660, 2523320, 4478893, 8957786, 17915572, 22394465, 35831144, 44788930, 89577860, 179155720]

約数ペア:

[(1, 179155720), (2, 89577860), (4, 44788930), (5, 35831144), (8, 22394465), (10, 17915572), (20, 8957786), (40, 4478893), (71, 2523320), (142, 1261660), (199, 900280), (284, 630830), (317, 565160), (355, 504664), (398, 450140), (568, 315415), (634, 282580), (710, 252332), (796, 225070), (995, 180056), (1268, 141290), (1420, 126166), (1585, 113032), (1592, 112535), (1990, 90028), (2536, 70645), (2840, 63083), (3170, 56516), (3980, 45014), (6340, 28258), (7960, 22507), (12680, 14129)]