178980840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1553

約数の個数: 160

約数和(自身を含む): 618247080

約数和(自身を除く): 439266240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 666, 740, 810, 888, 999, 1080, 1110, 1332, 1480, 1493, 1620, 1665, 1998, 2220, 2664, 2986, 2997, 3240, 3330, 3996, 4440, 4479, 4995, 5972, 5994, 6660, 7465, 7992, 8958, 9990, 11944, 11988, 13320, 13437, 14930, 14985, 17916, 19980, 22395, 23976, 26874, 29860, 29970, 35832, 39960, 40311, 44790, 53748, 55241, 59720, 59940, 67185, 80622, 89580, 107496, 110482, 119880, 120933, 134370, 161244, 165723, 179160, 201555, 220964, 241866, 268740, 276205, 322488, 331446, 403110, 441928, 483732, 497169, 537480, 552410, 604665, 662892, 806220, 828615, 967464, 994338, 1104820, 1209330, 1325784, 1491507, 1612440, 1657230, 1988676, 2209640, 2418660, 2485845, 2983014, 3314460, 3977352, 4474521, 4837320, 4971690, 5966028, 6628920, 7457535, 8949042, 9943380, 11932056, 14915070, 17898084, 19886760, 22372605, 29830140, 35796168, 44745210, 59660280, 89490420, 178980840]

約数ペア:

[(1, 178980840), (2, 89490420), (3, 59660280), (4, 44745210), (5, 35796168), (6, 29830140), (8, 22372605), (9, 19886760), (10, 17898084), (12, 14915070), (15, 11932056), (18, 9943380), (20, 8949042), (24, 7457535), (27, 6628920), (30, 5966028), (36, 4971690), (37, 4837320), (40, 4474521), (45, 3977352), (54, 3314460), (60, 2983014), (72, 2485845), (74, 2418660), (81, 2209640), (90, 1988676), (108, 1657230), (111, 1612440), (120, 1491507), (135, 1325784), (148, 1209330), (162, 1104820), (180, 994338), (185, 967464), (216, 828615), (222, 806220), (270, 662892), (296, 604665), (324, 552410), (333, 537480), (360, 497169), (370, 483732), (405, 441928), (444, 403110), (540, 331446), (555, 322488), (648, 276205), (666, 268740), (740, 241866), (810, 220964), (888, 201555), (999, 179160), (1080, 165723), (1110, 161244), (1332, 134370), (1480, 120933), (1493, 119880), (1620, 110482), (1665, 107496), (1998, 89580), (2220, 80622), (2664, 67185), (2986, 59940), (2997, 59720), (3240, 55241), (3330, 53748), (3996, 44790), (4440, 40311), (4479, 39960), (4995, 35832), (5972, 29970), (5994, 29860), (6660, 26874), (7465, 23976), (7992, 22395), (8958, 19980), (9990, 17916), (11944, 14985), (11988, 14930), (13320, 13437)]