78827320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13781}}^1$

素因数の和:13816

約数の個数: 64

約数和(自身を含む): 208383840

約数和(自身を除く): 129556520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 13781, 27562, 55124, 68905, 110248, 137810, 151591, 179153, 275620, 303182, 358306, 551240, 606364, 716612, 757955, 895765, 1212728, 1433224, 1515910, 1791530, 1970683, 3031820, 3583060, 3941366, 6063640, 7166120, 7882732, 9853415, 15765464, 19706830, 39413660, 78827320]

約数ペア:

[(1, 78827320), (2, 39413660), (4, 19706830), (5, 15765464), (8, 9853415), (10, 7882732), (11, 7166120), (13, 6063640), (20, 3941366), (22, 3583060), (26, 3031820), (40, 1970683), (44, 1791530), (52, 1515910), (55, 1433224), (65, 1212728), (88, 895765), (104, 757955), (110, 716612), (130, 606364), (143, 551240), (220, 358306), (260, 303182), (286, 275620), (440, 179153), (520, 151591), (572, 137810), (715, 110248), (1144, 68905), (1430, 55124), (2860, 27562), (5720, 13781)]