8251920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 28271256

約数和(自身を除く): 20019336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 157, 180, 219, 240, 292, 314, 360, 365, 438, 471, 584, 628, 657, 720, 730, 785, 876, 942, 1095, 1168, 1256, 1314, 1413, 1460, 1570, 1752, 1884, 2190, 2355, 2512, 2628, 2826, 2920, 3140, 3285, 3504, 3768, 4380, 4710, 5256, 5652, 5840, 6280, 6570, 7065, 7536, 8760, 9420, 10512, 11304, 11461, 12560, 13140, 14130, 17520, 18840, 22608, 22922, 26280, 28260, 34383, 37680, 45844, 52560, 56520, 57305, 68766, 91688, 103149, 113040, 114610, 137532, 171915, 183376, 206298, 229220, 275064, 343830, 412596, 458440, 515745, 550128, 687660, 825192, 916880, 1031490, 1375320, 1650384, 2062980, 2750640, 4125960, 8251920]

約数ペア:

[(1, 8251920), (2, 4125960), (3, 2750640), (4, 2062980), (5, 1650384), (6, 1375320), (8, 1031490), (9, 916880), (10, 825192), (12, 687660), (15, 550128), (16, 515745), (18, 458440), (20, 412596), (24, 343830), (30, 275064), (36, 229220), (40, 206298), (45, 183376), (48, 171915), (60, 137532), (72, 114610), (73, 113040), (80, 103149), (90, 91688), (120, 68766), (144, 57305), (146, 56520), (157, 52560), (180, 45844), (219, 37680), (240, 34383), (292, 28260), (314, 26280), (360, 22922), (365, 22608), (438, 18840), (471, 17520), (584, 14130), (628, 13140), (657, 12560), (720, 11461), (730, 11304), (785, 10512), (876, 9420), (942, 8760), (1095, 7536), (1168, 7065), (1256, 6570), (1314, 6280), (1413, 5840), (1460, 5652), (1570, 5256), (1752, 4710), (1884, 4380), (2190, 3768), (2355, 3504), (2512, 3285), (2628, 3140), (2826, 2920)]