90377320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 227525760

約数和(自身を除く): 137148440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 121, 142, 220, 242, 263, 284, 355, 440, 484, 526, 568, 605, 710, 781, 968, 1052, 1210, 1315, 1420, 1562, 2104, 2420, 2630, 2840, 2893, 3124, 3905, 4840, 5260, 5786, 6248, 7810, 8591, 10520, 11572, 14465, 15620, 17182, 18673, 23144, 28930, 31240, 31823, 34364, 37346, 42955, 57860, 63646, 68728, 74692, 85910, 93365, 115720, 127292, 149384, 159115, 171820, 186730, 205403, 254584, 318230, 343640, 373460, 410806, 636460, 746920, 821612, 1027015, 1272920, 1643224, 2054030, 2259433, 4108060, 4518866, 8216120, 9037732, 11297165, 18075464, 22594330, 45188660, 90377320]

約数ペア:

[(1, 90377320), (2, 45188660), (4, 22594330), (5, 18075464), (8, 11297165), (10, 9037732), (11, 8216120), (20, 4518866), (22, 4108060), (40, 2259433), (44, 2054030), (55, 1643224), (71, 1272920), (88, 1027015), (110, 821612), (121, 746920), (142, 636460), (220, 410806), (242, 373460), (263, 343640), (284, 318230), (355, 254584), (440, 205403), (484, 186730), (526, 171820), (568, 159115), (605, 149384), (710, 127292), (781, 115720), (968, 93365), (1052, 85910), (1210, 74692), (1315, 68728), (1420, 63646), (1562, 57860), (2104, 42955), (2420, 37346), (2630, 34364), (2840, 31823), (2893, 31240), (3124, 28930), (3905, 23144), (4840, 18673), (5260, 17182), (5786, 15620), (6248, 14465), (7810, 11572), (8591, 10520)]