181977120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9755

約数の個数: 144

約数和(自身を含む): 668834712

約数和(自身を除く): 486857592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 9721, 18720, 19442, 29163, 38884, 48605, 58326, 77768, 87489, 97210, 116652, 126373, 145815, 155536, 174978, 194420, 233304, 252746, 291630, 311072, 349956, 379119, 388840, 437445, 466608, 505492, 583260, 631865, 699912, 758238, 777680, 874890, 933216, 1010984, 1137357, 1166520, 1263730, 1399824, 1516476, 1555360, 1749780, 1895595, 2021968, 2274714, 2333040, 2527460, 2799648, 3032952, 3499560, 3791190, 4043936, 4549428, 4666080, 5054920, 5686785, 6065904, 6999120, 7582380, 9098856, 10109840, 11373570, 12131808, 13998240, 15164760, 18197712, 20219680, 22747140, 30329520, 36395424, 45494280, 60659040, 90988560, 181977120]

約数ペア:

[(1, 181977120), (2, 90988560), (3, 60659040), (4, 45494280), (5, 36395424), (6, 30329520), (8, 22747140), (9, 20219680), (10, 18197712), (12, 15164760), (13, 13998240), (15, 12131808), (16, 11373570), (18, 10109840), (20, 9098856), (24, 7582380), (26, 6999120), (30, 6065904), (32, 5686785), (36, 5054920), (39, 4666080), (40, 4549428), (45, 4043936), (48, 3791190), (52, 3499560), (60, 3032952), (65, 2799648), (72, 2527460), (78, 2333040), (80, 2274714), (90, 2021968), (96, 1895595), (104, 1749780), (117, 1555360), (120, 1516476), (130, 1399824), (144, 1263730), (156, 1166520), (160, 1137357), (180, 1010984), (195, 933216), (208, 874890), (234, 777680), (240, 758238), (260, 699912), (288, 631865), (312, 583260), (360, 505492), (390, 466608), (416, 437445), (468, 388840), (480, 379119), (520, 349956), (585, 311072), (624, 291630), (720, 252746), (780, 233304), (936, 194420), (1040, 174978), (1170, 155536), (1248, 145815), (1440, 126373), (1560, 116652), (1872, 97210), (2080, 87489), (2340, 77768), (3120, 58326), (3744, 48605), (4680, 38884), (6240, 29163), (9360, 19442), (9721, 18720)]