1728855720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{208799}}^1$

素因数の和:208839

約数の個数: 96

約数和(自身を含む): 5863104000

約数和(自身を除く): 4134248280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 4140, 8280, 208799, 417598, 626397, 835196, 1043995, 1252794, 1670392, 1879191, 2087990, 2505588, 3131985, 3758382, 4175980, 4802377, 5011176, 6263970, 7516764, 8351960, 9395955, 9604754, 12527940, 14407131, 15033528, 18791910, 19209508, 24011885, 25055880, 28814262, 37583820, 38419016, 43221393, 48023770, 57628524, 72035655, 75167640, 86442786, 96047540, 115257048, 144071310, 172885572, 192095080, 216106965, 288142620, 345771144, 432213930, 576285240, 864427860, 1728855720]

約数ペア:

[(1, 1728855720), (2, 864427860), (3, 576285240), (4, 432213930), (5, 345771144), (6, 288142620), (8, 216106965), (9, 192095080), (10, 172885572), (12, 144071310), (15, 115257048), (18, 96047540), (20, 86442786), (23, 75167640), (24, 72035655), (30, 57628524), (36, 48023770), (40, 43221393), (45, 38419016), (46, 37583820), (60, 28814262), (69, 25055880), (72, 24011885), (90, 19209508), (92, 18791910), (115, 15033528), (120, 14407131), (138, 12527940), (180, 9604754), (184, 9395955), (207, 8351960), (230, 7516764), (276, 6263970), (345, 5011176), (360, 4802377), (414, 4175980), (460, 3758382), (552, 3131985), (690, 2505588), (828, 2087990), (920, 1879191), (1035, 1670392), (1380, 1252794), (1656, 1043995), (2070, 835196), (2760, 626397), (4140, 417598), (8280, 208799)]