128746640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{6361}}^1$

素因数の和:6408

約数の個数: 80

約数和(自身を含む): 340799616

約数和(自身を除く): 212052976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 6361, 10120, 12722, 20240, 25444, 31805, 50888, 63610, 69971, 101776, 127220, 139942, 146303, 254440, 279884, 292606, 349855, 508880, 559768, 585212, 699710, 731515, 1119536, 1170424, 1399420, 1463030, 1609333, 2340848, 2798840, 2926060, 3218666, 5597680, 5852120, 6437332, 8046665, 11704240, 12874664, 16093330, 25749328, 32186660, 64373320, 128746640]

約数ペア:

[(1, 128746640), (2, 64373320), (4, 32186660), (5, 25749328), (8, 16093330), (10, 12874664), (11, 11704240), (16, 8046665), (20, 6437332), (22, 5852120), (23, 5597680), (40, 3218666), (44, 2926060), (46, 2798840), (55, 2340848), (80, 1609333), (88, 1463030), (92, 1399420), (110, 1170424), (115, 1119536), (176, 731515), (184, 699710), (220, 585212), (230, 559768), (253, 508880), (368, 349855), (440, 292606), (460, 279884), (506, 254440), (880, 146303), (920, 139942), (1012, 127220), (1265, 101776), (1840, 69971), (2024, 63610), (2530, 50888), (4048, 31805), (5060, 25444), (6361, 20240), (10120, 12722)]