21655176720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1\times {\mathrm{3677}}^1$

素因数の和:4209

約数の個数: 160

約数和(自身を含む): 68564040192

約数和(自身を除く): 46908863472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 463, 530, 636, 795, 848, 926, 1060, 1272, 1389, 1590, 1852, 2120, 2315, 2544, 2778, 3180, 3677, 3704, 4240, 4630, 5556, 6360, 6945, 7354, 7408, 9260, 11031, 11112, 12720, 13890, 14708, 18385, 18520, 22062, 22224, 24539, 27780, 29416, 36770, 37040, 44124, 49078, 55155, 55560, 58832, 73540, 73617, 88248, 98156, 110310, 111120, 122695, 147080, 147234, 176496, 194881, 196312, 220620, 245390, 294160, 294468, 368085, 389762, 392624, 441240, 490780, 584643, 588936, 736170, 779524, 882480, 974405, 981560, 1169286, 1177872, 1472340, 1559048, 1702451, 1948810, 1963120, 2338572, 2923215, 2944680, 3118096, 3404902, 3897620, 4677144, 5107353, 5846430, 5889360, 6809804, 7795240, 8512255, 9354288, 10214706, 11692860, 13619608, 15590480, 17024510, 20429412, 23385720, 25536765, 27239216, 34049020, 40858824, 46771440, 51073530, 68098040, 81717648, 90229903, 102147060, 136196080, 180459806, 204294120, 270689709, 360919612, 408588240, 451149515, 541379418, 721839224, 902299030, 1082758836, 1353448545, 1443678448, 1804598060, 2165517672, 2706897090, 3609196120, 4331035344, 5413794180, 7218392240, 10827588360, 21655176720]

約数ペア:

[(1, 21655176720), (2, 10827588360), (3, 7218392240), (4, 5413794180), (5, 4331035344), (6, 3609196120), (8, 2706897090), (10, 2165517672), (12, 1804598060), (15, 1443678448), (16, 1353448545), (20, 1082758836), (24, 902299030), (30, 721839224), (40, 541379418), (48, 451149515), (53, 408588240), (60, 360919612), (80, 270689709), (106, 204294120), (120, 180459806), (159, 136196080), (212, 102147060), (240, 90229903), (265, 81717648), (318, 68098040), (424, 51073530), (463, 46771440), (530, 40858824), (636, 34049020), (795, 27239216), (848, 25536765), (926, 23385720), (1060, 20429412), (1272, 17024510), (1389, 15590480), (1590, 13619608), (1852, 11692860), (2120, 10214706), (2315, 9354288), (2544, 8512255), (2778, 7795240), (3180, 6809804), (3677, 5889360), (3704, 5846430), (4240, 5107353), (4630, 4677144), (5556, 3897620), (6360, 3404902), (6945, 3118096), (7354, 2944680), (7408, 2923215), (9260, 2338572), (11031, 1963120), (11112, 1948810), (12720, 1702451), (13890, 1559048), (14708, 1472340), (18385, 1177872), (18520, 1169286), (22062, 981560), (22224, 974405), (24539, 882480), (27780, 779524), (29416, 736170), (36770, 588936), (37040, 584643), (44124, 490780), (49078, 441240), (55155, 392624), (55560, 389762), (58832, 368085), (73540, 294468), (73617, 294160), (88248, 245390), (98156, 220620), (110310, 196312), (111120, 194881), (122695, 176496), (147080, 147234)]