81892080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1276

約数の個数: 160

約数和(自身を含む): 291409920

約数和(自身を除く): 209517840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 155, 180, 186, 216, 240, 248, 270, 279, 310, 360, 372, 432, 465, 496, 540, 558, 620, 720, 744, 837, 930, 1080, 1116, 1223, 1240, 1395, 1488, 1674, 1860, 2160, 2232, 2446, 2480, 2790, 3348, 3669, 3720, 4185, 4464, 4892, 5580, 6115, 6696, 7338, 7440, 8370, 9784, 11007, 11160, 12230, 13392, 14676, 16740, 18345, 19568, 22014, 22320, 24460, 29352, 33021, 33480, 36690, 37913, 44028, 48920, 55035, 58704, 66042, 66960, 73380, 75826, 88056, 97840, 110070, 113739, 132084, 146760, 151652, 165105, 176112, 189565, 220140, 227478, 264168, 293520, 303304, 330210, 341217, 379130, 440280, 454956, 528336, 568695, 606608, 660420, 682434, 758260, 880560, 909912, 1023651, 1137390, 1320840, 1364868, 1516520, 1706085, 1819824, 2047302, 2274780, 2641680, 2729736, 3033040, 3412170, 4094604, 4549560, 5118255, 5459472, 6824340, 8189208, 9099120, 10236510, 13648680, 16378416, 20473020, 27297360, 40946040, 81892080]

約数ペア:

[(1, 81892080), (2, 40946040), (3, 27297360), (4, 20473020), (5, 16378416), (6, 13648680), (8, 10236510), (9, 9099120), (10, 8189208), (12, 6824340), (15, 5459472), (16, 5118255), (18, 4549560), (20, 4094604), (24, 3412170), (27, 3033040), (30, 2729736), (31, 2641680), (36, 2274780), (40, 2047302), (45, 1819824), (48, 1706085), (54, 1516520), (60, 1364868), (62, 1320840), (72, 1137390), (80, 1023651), (90, 909912), (93, 880560), (108, 758260), (120, 682434), (124, 660420), (135, 606608), (144, 568695), (155, 528336), (180, 454956), (186, 440280), (216, 379130), (240, 341217), (248, 330210), (270, 303304), (279, 293520), (310, 264168), (360, 227478), (372, 220140), (432, 189565), (465, 176112), (496, 165105), (540, 151652), (558, 146760), (620, 132084), (720, 113739), (744, 110070), (837, 97840), (930, 88056), (1080, 75826), (1116, 73380), (1223, 66960), (1240, 66042), (1395, 58704), (1488, 55035), (1674, 48920), (1860, 44028), (2160, 37913), (2232, 36690), (2446, 33480), (2480, 33021), (2790, 29352), (3348, 24460), (3669, 22320), (3720, 22014), (4185, 19568), (4464, 18345), (4892, 16740), (5580, 14676), (6115, 13392), (6696, 12230), (7338, 11160), (7440, 11007), (8370, 9784)]