80496720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:554

約数の個数: 160

約数和(自身を含む): 281232000

約数和(自身を除く): 200735280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 83, 90, 108, 120, 135, 144, 166, 180, 216, 240, 249, 270, 332, 360, 415, 432, 449, 498, 540, 664, 720, 747, 830, 898, 996, 1080, 1245, 1328, 1347, 1494, 1660, 1796, 1992, 2160, 2241, 2245, 2490, 2694, 2988, 3320, 3592, 3735, 3984, 4041, 4482, 4490, 4980, 5388, 5976, 6640, 6735, 7184, 7470, 8082, 8964, 8980, 9960, 10776, 11205, 11952, 12123, 13470, 14940, 16164, 17928, 17960, 19920, 20205, 21552, 22410, 24246, 26940, 29880, 32328, 35856, 35920, 37267, 40410, 44820, 48492, 53880, 59760, 60615, 64656, 74534, 80820, 89640, 96984, 107760, 111801, 121230, 149068, 161640, 179280, 186335, 193968, 223602, 242460, 298136, 323280, 335403, 372670, 447204, 484920, 559005, 596272, 670806, 745340, 894408, 969840, 1006209, 1118010, 1341612, 1490680, 1677015, 1788816, 2012418, 2236020, 2683224, 2981360, 3354030, 4024836, 4472040, 5031045, 5366448, 6708060, 8049672, 8944080, 10062090, 13416120, 16099344, 20124180, 26832240, 40248360, 80496720]

約数ペア:

[(1, 80496720), (2, 40248360), (3, 26832240), (4, 20124180), (5, 16099344), (6, 13416120), (8, 10062090), (9, 8944080), (10, 8049672), (12, 6708060), (15, 5366448), (16, 5031045), (18, 4472040), (20, 4024836), (24, 3354030), (27, 2981360), (30, 2683224), (36, 2236020), (40, 2012418), (45, 1788816), (48, 1677015), (54, 1490680), (60, 1341612), (72, 1118010), (80, 1006209), (83, 969840), (90, 894408), (108, 745340), (120, 670806), (135, 596272), (144, 559005), (166, 484920), (180, 447204), (216, 372670), (240, 335403), (249, 323280), (270, 298136), (332, 242460), (360, 223602), (415, 193968), (432, 186335), (449, 179280), (498, 161640), (540, 149068), (664, 121230), (720, 111801), (747, 107760), (830, 96984), (898, 89640), (996, 80820), (1080, 74534), (1245, 64656), (1328, 60615), (1347, 59760), (1494, 53880), (1660, 48492), (1796, 44820), (1992, 40410), (2160, 37267), (2241, 35920), (2245, 35856), (2490, 32328), (2694, 29880), (2988, 26940), (3320, 24246), (3592, 22410), (3735, 21552), (3984, 20205), (4041, 19920), (4482, 17960), (4490, 17928), (4980, 16164), (5388, 14940), (5976, 13470), (6640, 12123), (6735, 11952), (7184, 11205), (7470, 10776), (8082, 9960), (8964, 8980)]