71993880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 256

約数和(自身を含む): 279936000

約数和(自身を除く): 207942120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 89, 90, 105, 107, 108, 120, 126, 135, 140, 168, 178, 180, 189, 210, 214, 216, 252, 267, 270, 280, 315, 321, 356, 360, 378, 420, 428, 445, 504, 534, 535, 540, 623, 630, 642, 712, 749, 756, 801, 840, 856, 890, 945, 963, 1068, 1070, 1080, 1246, 1260, 1284, 1335, 1498, 1512, 1602, 1605, 1780, 1869, 1890, 1926, 2136, 2140, 2247, 2403, 2492, 2520, 2568, 2670, 2889, 2996, 3115, 3204, 3210, 3560, 3738, 3745, 3780, 3852, 4005, 4280, 4494, 4806, 4815, 4984, 5340, 5607, 5778, 5992, 6230, 6408, 6420, 6741, 7476, 7490, 7560, 7704, 8010, 8988, 9345, 9523, 9612, 9630, 10680, 11214, 11235, 11556, 12015, 12460, 12840, 13482, 14445, 14952, 14980, 16020, 16821, 17976, 18690, 19046, 19224, 19260, 20223, 22428, 22470, 23112, 24030, 24920, 26964, 28035, 28569, 28890, 29960, 32040, 33642, 33705, 37380, 38092, 38520, 40446, 44856, 44940, 47615, 48060, 53928, 56070, 57138, 57780, 66661, 67284, 67410, 74760, 76184, 80892, 84105, 85707, 89880, 95230, 96120, 101115, 112140, 114276, 115560, 133322, 134568, 134820, 142845, 161784, 168210, 171414, 190460, 199983, 202230, 224280, 228552, 257121, 266644, 269640, 285690, 333305, 336420, 342828, 380920, 399966, 404460, 428535, 514242, 533288, 571380, 599949, 666610, 672840, 685656, 799932, 808920, 857070, 999915, 1028484, 1142760, 1199898, 1285605, 1333220, 1599864, 1714140, 1799847, 1999830, 2056968, 2399796, 2571210, 2666440, 2999745, 3428280, 3599694, 3999660, 4799592, 5142420, 5999490, 7199388, 7999320, 8999235, 10284840, 11998980, 14398776, 17998470, 23997960, 35996940, 71993880]

約数ペア:

[(1, 71993880), (2, 35996940), (3, 23997960), (4, 17998470), (5, 14398776), (6, 11998980), (7, 10284840), (8, 8999235), (9, 7999320), (10, 7199388), (12, 5999490), (14, 5142420), (15, 4799592), (18, 3999660), (20, 3599694), (21, 3428280), (24, 2999745), (27, 2666440), (28, 2571210), (30, 2399796), (35, 2056968), (36, 1999830), (40, 1799847), (42, 1714140), (45, 1599864), (54, 1333220), (56, 1285605), (60, 1199898), (63, 1142760), (70, 1028484), (72, 999915), (84, 857070), (89, 808920), (90, 799932), (105, 685656), (107, 672840), (108, 666610), (120, 599949), (126, 571380), (135, 533288), (140, 514242), (168, 428535), (178, 404460), (180, 399966), (189, 380920), (210, 342828), (214, 336420), (216, 333305), (252, 285690), (267, 269640), (270, 266644), (280, 257121), (315, 228552), (321, 224280), (356, 202230), (360, 199983), (378, 190460), (420, 171414), (428, 168210), (445, 161784), (504, 142845), (534, 134820), (535, 134568), (540, 133322), (623, 115560), (630, 114276), (642, 112140), (712, 101115), (749, 96120), (756, 95230), (801, 89880), (840, 85707), (856, 84105), (890, 80892), (945, 76184), (963, 74760), (1068, 67410), (1070, 67284), (1080, 66661), (1246, 57780), (1260, 57138), (1284, 56070), (1335, 53928), (1498, 48060), (1512, 47615), (1602, 44940), (1605, 44856), (1780, 40446), (1869, 38520), (1890, 38092), (1926, 37380), (2136, 33705), (2140, 33642), (2247, 32040), (2403, 29960), (2492, 28890), (2520, 28569), (2568, 28035), (2670, 26964), (2889, 24920), (2996, 24030), (3115, 23112), (3204, 22470), (3210, 22428), (3560, 20223), (3738, 19260), (3745, 19224), (3780, 19046), (3852, 18690), (4005, 17976), (4280, 16821), (4494, 16020), (4806, 14980), (4815, 14952), (4984, 14445), (5340, 13482), (5607, 12840), (5778, 12460), (5992, 12015), (6230, 11556), (6408, 11235), (6420, 11214), (6741, 10680), (7476, 9630), (7490, 9612), (7560, 9523), (7704, 9345), (8010, 8988)]