71754480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:668

約数の個数: 240

約数和(自身を含む): 287838720

約数和(自身を除く): 216084240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 619, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1238, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1857, 1932, 2070, 2415, 2476, 2520, 2576, 2760, 2898, 3095, 3220, 3312, 3714, 3864, 4140, 4333, 4830, 4952, 5040, 5520, 5571, 5796, 6190, 6440, 7245, 7428, 7728, 8280, 8666, 9285, 9660, 9904, 11142, 11592, 12380, 12880, 12999, 14237, 14490, 14856, 16560, 17332, 18570, 19320, 21665, 22284, 23184, 24760, 25998, 27855, 28474, 28980, 29712, 34664, 37140, 38640, 38997, 42711, 43330, 44568, 49520, 51996, 55710, 56948, 57960, 64995, 69328, 71185, 74280, 77994, 85422, 86660, 89136, 99659, 103992, 111420, 113896, 115920, 128133, 129990, 142370, 148560, 155988, 170844, 173320, 194985, 199318, 207984, 213555, 222840, 227792, 256266, 259980, 284740, 298977, 311976, 341688, 346640, 389970, 398636, 427110, 445680, 498295, 512532, 519960, 569480, 597954, 623952, 640665, 683376, 779940, 797272, 854220, 896931, 996590, 1025064, 1039920, 1138960, 1195908, 1281330, 1494885, 1559880, 1594544, 1708440, 1793862, 1993180, 2050128, 2391816, 2562660, 2989770, 3119760, 3416880, 3587724, 3986360, 4484655, 4783632, 5125320, 5979540, 7175448, 7972720, 8969310, 10250640, 11959080, 14350896, 17938620, 23918160, 35877240, 71754480]

約数ペア:

[(1, 71754480), (2, 35877240), (3, 23918160), (4, 17938620), (5, 14350896), (6, 11959080), (7, 10250640), (8, 8969310), (9, 7972720), (10, 7175448), (12, 5979540), (14, 5125320), (15, 4783632), (16, 4484655), (18, 3986360), (20, 3587724), (21, 3416880), (23, 3119760), (24, 2989770), (28, 2562660), (30, 2391816), (35, 2050128), (36, 1993180), (40, 1793862), (42, 1708440), (45, 1594544), (46, 1559880), (48, 1494885), (56, 1281330), (60, 1195908), (63, 1138960), (69, 1039920), (70, 1025064), (72, 996590), (80, 896931), (84, 854220), (90, 797272), (92, 779940), (105, 683376), (112, 640665), (115, 623952), (120, 597954), (126, 569480), (138, 519960), (140, 512532), (144, 498295), (161, 445680), (168, 427110), (180, 398636), (184, 389970), (207, 346640), (210, 341688), (230, 311976), (240, 298977), (252, 284740), (276, 259980), (280, 256266), (315, 227792), (322, 222840), (336, 213555), (345, 207984), (360, 199318), (368, 194985), (414, 173320), (420, 170844), (460, 155988), (483, 148560), (504, 142370), (552, 129990), (560, 128133), (619, 115920), (630, 113896), (644, 111420), (690, 103992), (720, 99659), (805, 89136), (828, 86660), (840, 85422), (920, 77994), (966, 74280), (1008, 71185), (1035, 69328), (1104, 64995), (1238, 57960), (1260, 56948), (1288, 55710), (1380, 51996), (1449, 49520), (1610, 44568), (1656, 43330), (1680, 42711), (1840, 38997), (1857, 38640), (1932, 37140), (2070, 34664), (2415, 29712), (2476, 28980), (2520, 28474), (2576, 27855), (2760, 25998), (2898, 24760), (3095, 23184), (3220, 22284), (3312, 21665), (3714, 19320), (3864, 18570), (4140, 17332), (4333, 16560), (4830, 14856), (4952, 14490), (5040, 14237), (5520, 12999), (5571, 12880), (5796, 12380), (6190, 11592), (6440, 11142), (7245, 9904), (7428, 9660), (7728, 9285), (8280, 8666)]