71321040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 320

約数和(自身を含む): 289267200

約数和(自身を除く): 217946160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 53, 54, 56, 60, 63, 70, 72, 80, 84, 89, 90, 105, 106, 108, 112, 120, 126, 135, 140, 144, 159, 168, 178, 180, 189, 210, 212, 216, 240, 252, 265, 267, 270, 280, 315, 318, 336, 356, 360, 371, 378, 420, 424, 432, 445, 477, 504, 530, 534, 540, 560, 623, 630, 636, 712, 720, 742, 756, 795, 801, 840, 848, 890, 945, 954, 1008, 1060, 1068, 1080, 1113, 1246, 1260, 1272, 1335, 1424, 1431, 1484, 1512, 1590, 1602, 1680, 1780, 1855, 1869, 1890, 1908, 2120, 2136, 2160, 2226, 2385, 2403, 2492, 2520, 2544, 2670, 2862, 2968, 3024, 3115, 3180, 3204, 3339, 3560, 3710, 3738, 3780, 3816, 4005, 4240, 4272, 4452, 4717, 4770, 4806, 4984, 5040, 5340, 5565, 5607, 5724, 5936, 6230, 6360, 6408, 6678, 7120, 7155, 7420, 7476, 7560, 7632, 8010, 8904, 9345, 9434, 9540, 9612, 9968, 10017, 10680, 11130, 11214, 11448, 12015, 12460, 12720, 12816, 13356, 14151, 14310, 14840, 14952, 15120, 16020, 16695, 16821, 17808, 18690, 18868, 19080, 19224, 20034, 21360, 22260, 22428, 22896, 23585, 24030, 24920, 26712, 28035, 28302, 28620, 29680, 29904, 32040, 33019, 33390, 33642, 37380, 37736, 38160, 38448, 40068, 42453, 44520, 44856, 47170, 48060, 49840, 50085, 53424, 56070, 56604, 57240, 64080, 66038, 66780, 67284, 70755, 74760, 75472, 80136, 84105, 84906, 89040, 89712, 94340, 96120, 99057, 100170, 112140, 113208, 114480, 127359, 132076, 133560, 134568, 141510, 149520, 160272, 165095, 168210, 169812, 188680, 192240, 198114, 200340, 212265, 224280, 226416, 254718, 264152, 267120, 269136, 283020, 297171, 330190, 336420, 339624, 377360, 396228, 400680, 424530, 448560, 495285, 509436, 528304, 566040, 594342, 636795, 660380, 672840, 679248, 792456, 801360, 849060, 891513, 990570, 1018872, 1132080, 1188684, 1273590, 1320760, 1345680, 1485855, 1584912, 1698120, 1783026, 1981140, 2037744, 2377368, 2547180, 2641520, 2971710, 3396240, 3566052, 3962280, 4457565, 4754736, 5094360, 5943420, 7132104, 7924560, 8915130, 10188720, 11886840, 14264208, 17830260, 23773680, 35660520, 71321040]

約数ペア:

[(1, 71321040), (2, 35660520), (3, 23773680), (4, 17830260), (5, 14264208), (6, 11886840), (7, 10188720), (8, 8915130), (9, 7924560), (10, 7132104), (12, 5943420), (14, 5094360), (15, 4754736), (16, 4457565), (18, 3962280), (20, 3566052), (21, 3396240), (24, 2971710), (27, 2641520), (28, 2547180), (30, 2377368), (35, 2037744), (36, 1981140), (40, 1783026), (42, 1698120), (45, 1584912), (48, 1485855), (53, 1345680), (54, 1320760), (56, 1273590), (60, 1188684), (63, 1132080), (70, 1018872), (72, 990570), (80, 891513), (84, 849060), (89, 801360), (90, 792456), (105, 679248), (106, 672840), (108, 660380), (112, 636795), (120, 594342), (126, 566040), (135, 528304), (140, 509436), (144, 495285), (159, 448560), (168, 424530), (178, 400680), (180, 396228), (189, 377360), (210, 339624), (212, 336420), (216, 330190), (240, 297171), (252, 283020), (265, 269136), (267, 267120), (270, 264152), (280, 254718), (315, 226416), (318, 224280), (336, 212265), (356, 200340), (360, 198114), (371, 192240), (378, 188680), (420, 169812), (424, 168210), (432, 165095), (445, 160272), (477, 149520), (504, 141510), (530, 134568), (534, 133560), (540, 132076), (560, 127359), (623, 114480), (630, 113208), (636, 112140), (712, 100170), (720, 99057), (742, 96120), (756, 94340), (795, 89712), (801, 89040), (840, 84906), (848, 84105), (890, 80136), (945, 75472), (954, 74760), (1008, 70755), (1060, 67284), (1068, 66780), (1080, 66038), (1113, 64080), (1246, 57240), (1260, 56604), (1272, 56070), (1335, 53424), (1424, 50085), (1431, 49840), (1484, 48060), (1512, 47170), (1590, 44856), (1602, 44520), (1680, 42453), (1780, 40068), (1855, 38448), (1869, 38160), (1890, 37736), (1908, 37380), (2120, 33642), (2136, 33390), (2160, 33019), (2226, 32040), (2385, 29904), (2403, 29680), (2492, 28620), (2520, 28302), (2544, 28035), (2670, 26712), (2862, 24920), (2968, 24030), (3024, 23585), (3115, 22896), (3180, 22428), (3204, 22260), (3339, 21360), (3560, 20034), (3710, 19224), (3738, 19080), (3780, 18868), (3816, 18690), (4005, 17808), (4240, 16821), (4272, 16695), (4452, 16020), (4717, 15120), (4770, 14952), (4806, 14840), (4984, 14310), (5040, 14151), (5340, 13356), (5565, 12816), (5607, 12720), (5724, 12460), (5936, 12015), (6230, 11448), (6360, 11214), (6408, 11130), (6678, 10680), (7120, 10017), (7155, 9968), (7420, 9612), (7476, 9540), (7560, 9434), (7632, 9345), (8010, 8904)]