18431280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 320

約数和(自身を含む): 77137920

約数和(自身を除く): 58706640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 48, 53, 54, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 106, 108, 112, 115, 120, 126, 135, 138, 140, 144, 159, 161, 168, 180, 184, 189, 207, 210, 212, 216, 230, 240, 252, 265, 270, 276, 280, 315, 318, 322, 336, 345, 360, 368, 371, 378, 414, 420, 424, 432, 460, 477, 483, 504, 530, 540, 552, 560, 621, 630, 636, 644, 690, 720, 742, 756, 795, 805, 828, 840, 848, 920, 945, 954, 966, 1008, 1035, 1060, 1080, 1104, 1113, 1219, 1242, 1260, 1272, 1288, 1380, 1431, 1449, 1484, 1512, 1590, 1610, 1656, 1680, 1840, 1855, 1890, 1908, 1932, 2070, 2120, 2160, 2226, 2385, 2415, 2438, 2484, 2520, 2544, 2576, 2760, 2862, 2898, 2968, 3024, 3105, 3180, 3220, 3312, 3339, 3657, 3710, 3780, 3816, 3864, 4140, 4240, 4347, 4452, 4770, 4830, 4876, 4968, 5040, 5520, 5565, 5724, 5796, 5936, 6095, 6210, 6360, 6440, 6678, 7155, 7245, 7314, 7420, 7560, 7632, 7728, 8280, 8533, 8694, 8904, 9540, 9660, 9752, 9936, 10017, 10971, 11130, 11448, 11592, 12190, 12420, 12720, 12880, 13356, 14310, 14490, 14628, 14840, 15120, 16560, 16695, 17066, 17388, 17808, 18285, 19080, 19320, 19504, 20034, 21735, 21942, 22260, 22896, 23184, 24380, 24840, 25599, 26712, 28620, 28980, 29256, 29680, 32913, 33390, 34132, 34776, 36570, 38160, 38640, 40068, 42665, 43470, 43884, 44520, 48760, 49680, 50085, 51198, 53424, 54855, 57240, 57960, 58512, 65826, 66780, 68264, 69552, 73140, 76797, 80136, 85330, 86940, 87768, 89040, 97520, 100170, 102396, 109710, 114480, 115920, 127995, 131652, 133560, 136528, 146280, 153594, 160272, 164565, 170660, 173880, 175536, 200340, 204792, 219420, 230391, 255990, 263304, 267120, 292560, 307188, 329130, 341320, 347760, 383985, 400680, 409584, 438840, 460782, 511980, 526608, 614376, 658260, 682640, 767970, 801360, 877680, 921564, 1023960, 1151955, 1228752, 1316520, 1535940, 1843128, 2047920, 2303910, 2633040, 3071880, 3686256, 4607820, 6143760, 9215640, 18431280]

約数ペア:

[(1, 18431280), (2, 9215640), (3, 6143760), (4, 4607820), (5, 3686256), (6, 3071880), (7, 2633040), (8, 2303910), (9, 2047920), (10, 1843128), (12, 1535940), (14, 1316520), (15, 1228752), (16, 1151955), (18, 1023960), (20, 921564), (21, 877680), (23, 801360), (24, 767970), (27, 682640), (28, 658260), (30, 614376), (35, 526608), (36, 511980), (40, 460782), (42, 438840), (45, 409584), (46, 400680), (48, 383985), (53, 347760), (54, 341320), (56, 329130), (60, 307188), (63, 292560), (69, 267120), (70, 263304), (72, 255990), (80, 230391), (84, 219420), (90, 204792), (92, 200340), (105, 175536), (106, 173880), (108, 170660), (112, 164565), (115, 160272), (120, 153594), (126, 146280), (135, 136528), (138, 133560), (140, 131652), (144, 127995), (159, 115920), (161, 114480), (168, 109710), (180, 102396), (184, 100170), (189, 97520), (207, 89040), (210, 87768), (212, 86940), (216, 85330), (230, 80136), (240, 76797), (252, 73140), (265, 69552), (270, 68264), (276, 66780), (280, 65826), (315, 58512), (318, 57960), (322, 57240), (336, 54855), (345, 53424), (360, 51198), (368, 50085), (371, 49680), (378, 48760), (414, 44520), (420, 43884), (424, 43470), (432, 42665), (460, 40068), (477, 38640), (483, 38160), (504, 36570), (530, 34776), (540, 34132), (552, 33390), (560, 32913), (621, 29680), (630, 29256), (636, 28980), (644, 28620), (690, 26712), (720, 25599), (742, 24840), (756, 24380), (795, 23184), (805, 22896), (828, 22260), (840, 21942), (848, 21735), (920, 20034), (945, 19504), (954, 19320), (966, 19080), (1008, 18285), (1035, 17808), (1060, 17388), (1080, 17066), (1104, 16695), (1113, 16560), (1219, 15120), (1242, 14840), (1260, 14628), (1272, 14490), (1288, 14310), (1380, 13356), (1431, 12880), (1449, 12720), (1484, 12420), (1512, 12190), (1590, 11592), (1610, 11448), (1656, 11130), (1680, 10971), (1840, 10017), (1855, 9936), (1890, 9752), (1908, 9660), (1932, 9540), (2070, 8904), (2120, 8694), (2160, 8533), (2226, 8280), (2385, 7728), (2415, 7632), (2438, 7560), (2484, 7420), (2520, 7314), (2544, 7245), (2576, 7155), (2760, 6678), (2862, 6440), (2898, 6360), (2968, 6210), (3024, 6095), (3105, 5936), (3180, 5796), (3220, 5724), (3312, 5565), (3339, 5520), (3657, 5040), (3710, 4968), (3780, 4876), (3816, 4830), (3864, 4770), (4140, 4452), (4240, 4347)]