220796520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262853}}^1$

素因数の和:262874

約数の個数: 64

約数和(自身を含む): 757019520

約数和(自身を除く): 536223000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262853, 525706, 788559, 1051412, 1314265, 1577118, 1839971, 2102824, 2628530, 3154236, 3679942, 3942795, 5257060, 5519913, 6308472, 7359884, 7885590, 9199855, 10514120, 11039826, 14719768, 15771180, 18399710, 22079652, 27599565, 31542360, 36799420, 44159304, 55199130, 73598840, 110398260, 220796520]

約数ペア:

[(1, 220796520), (2, 110398260), (3, 73598840), (4, 55199130), (5, 44159304), (6, 36799420), (7, 31542360), (8, 27599565), (10, 22079652), (12, 18399710), (14, 15771180), (15, 14719768), (20, 11039826), (21, 10514120), (24, 9199855), (28, 7885590), (30, 7359884), (35, 6308472), (40, 5519913), (42, 5257060), (56, 3942795), (60, 3679942), (70, 3154236), (84, 2628530), (105, 2102824), (120, 1839971), (140, 1577118), (168, 1314265), (210, 1051412), (280, 788559), (420, 525706), (840, 262853)]