178848120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 589731840

約数和(自身を除く): 410883720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 440, 471, 628, 660, 785, 863, 942, 1256, 1320, 1570, 1726, 1727, 1884, 2355, 2589, 3140, 3452, 3454, 3768, 4315, 4710, 5178, 5181, 6280, 6904, 6908, 8630, 8635, 9420, 9493, 10356, 10362, 12945, 13816, 17260, 17270, 18840, 18986, 20712, 20724, 25890, 25905, 28479, 34520, 34540, 37972, 41448, 47465, 51780, 51810, 56958, 69080, 75944, 94930, 103560, 103620, 113916, 135491, 142395, 189860, 207240, 227832, 270982, 284790, 379720, 406473, 541964, 569580, 677455, 812946, 1083928, 1139160, 1354910, 1490401, 1625892, 2032365, 2709820, 2980802, 3251784, 4064730, 4471203, 5419640, 5961604, 7452005, 8129460, 8942406, 11923208, 14904010, 16258920, 17884812, 22356015, 29808020, 35769624, 44712030, 59616040, 89424060, 178848120]

約数ペア:

[(1, 178848120), (2, 89424060), (3, 59616040), (4, 44712030), (5, 35769624), (6, 29808020), (8, 22356015), (10, 17884812), (11, 16258920), (12, 14904010), (15, 11923208), (20, 8942406), (22, 8129460), (24, 7452005), (30, 5961604), (33, 5419640), (40, 4471203), (44, 4064730), (55, 3251784), (60, 2980802), (66, 2709820), (88, 2032365), (110, 1625892), (120, 1490401), (132, 1354910), (157, 1139160), (165, 1083928), (220, 812946), (264, 677455), (314, 569580), (330, 541964), (440, 406473), (471, 379720), (628, 284790), (660, 270982), (785, 227832), (863, 207240), (942, 189860), (1256, 142395), (1320, 135491), (1570, 113916), (1726, 103620), (1727, 103560), (1884, 94930), (2355, 75944), (2589, 69080), (3140, 56958), (3452, 51810), (3454, 51780), (3768, 47465), (4315, 41448), (4710, 37972), (5178, 34540), (5181, 34520), (6280, 28479), (6904, 25905), (6908, 25890), (8630, 20724), (8635, 20712), (9420, 18986), (9493, 18840), (10356, 17270), (10362, 17260), (12945, 13816)]