128306720

素因数分解:

$2^5\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2311}}^1$

素因数の和:2673

約数の個数: 48

約数和(自身を含む): 304129728

約数和(自身を除く): 175823008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 1388, 1735, 2311, 2776, 3470, 4622, 5552, 6940, 9244, 11104, 11555, 13880, 18488, 23110, 27760, 36976, 46220, 55520, 73952, 92440, 184880, 369760, 801917, 1603834, 3207668, 4009585, 6415336, 8019170, 12830672, 16038340, 25661344, 32076680, 64153360, 128306720]

約数ペア:

[(1, 128306720), (2, 64153360), (4, 32076680), (5, 25661344), (8, 16038340), (10, 12830672), (16, 8019170), (20, 6415336), (32, 4009585), (40, 3207668), (80, 1603834), (160, 801917), (347, 369760), (694, 184880), (1388, 92440), (1735, 73952), (2311, 55520), (2776, 46220), (3470, 36976), (4622, 27760), (5552, 23110), (6940, 18488), (9244, 13880), (11104, 11555)]