647117680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{66851}}^1$

素因数の和:66886

約数の個数: 60

約数和(自身を含む): 1653784776

約数和(自身を除く): 1006667096

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 66851, 133702, 267404, 334255, 534808, 668510, 735361, 1069616, 1337020, 1470722, 2674040, 2941444, 3676805, 5348080, 5882888, 7353610, 8088971, 11765776, 14707220, 16177942, 29414440, 32355884, 40444855, 58828880, 64711768, 80889710, 129423536, 161779420, 323558840, 647117680]

約数ペア:

[(1, 647117680), (2, 323558840), (4, 161779420), (5, 129423536), (8, 80889710), (10, 64711768), (11, 58828880), (16, 40444855), (20, 32355884), (22, 29414440), (40, 16177942), (44, 14707220), (55, 11765776), (80, 8088971), (88, 7353610), (110, 5882888), (121, 5348080), (176, 3676805), (220, 2941444), (242, 2674040), (440, 1470722), (484, 1337020), (605, 1069616), (880, 735361), (968, 668510), (1210, 534808), (1936, 334255), (2420, 267404), (4840, 133702), (9680, 66851)]