31378320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 160

約数和(自身を含む): 110112000

約数和(自身を除く): 78733680

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, 73, 80, 90, 108, 120, 135, 144, 146, 180, 199, 216, 219, 240, 270, 292, 360, 365, 398, 432, 438, 540, 584, 597, 657, 720, 730, 796, 876, 995, 1080, 1095, 1168, 1194, 1314, 1460, 1592, 1752, 1791, 1971, 1990, 2160, 2190, 2388, 2628, 2920, 2985, 3184, 3285, 3504, 3582, 3942, 3980, 4380, 4776, 5256, 5373, 5840, 5970, 6570, 7164, 7884, 7960, 8760, 8955, 9552, 9855, 10512, 10746, 11940, 13140, 14328, 14527, 15768, 15920, 17520, 17910, 19710, 21492, 23880, 26280, 26865, 28656, 29054, 31536, 35820, 39420, 42984, 43581, 47760, 52560, 53730, 58108, 71640, 72635, 78840, 85968, 87162, 107460, 116216, 130743, 143280, 145270, 157680, 174324, 214920, 217905, 232432, 261486, 290540, 348648, 392229, 429840, 435810, 522972, 581080, 653715, 697296, 784458, 871620, 1045944, 1162160, 1307430, 1568916, 1743240, 1961145, 2091888, 2614860, 3137832, 3486480, 3922290, 5229720, 6275664, 7844580, 10459440, 15689160, 31378320]

約数ペア:

[(1, 31378320), (2, 15689160), (3, 10459440), (4, 7844580), (5, 6275664), (6, 5229720), (8, 3922290), (9, 3486480), (10, 3137832), (12, 2614860), (15, 2091888), (16, 1961145), (18, 1743240), (20, 1568916), (24, 1307430), (27, 1162160), (30, 1045944), (36, 871620), (40, 784458), (45, 697296), (48, 653715), (54, 581080), (60, 522972), (72, 435810), (73, 429840), (80, 392229), (90, 348648), (108, 290540), (120, 261486), (135, 232432), (144, 217905), (146, 214920), (180, 174324), (199, 157680), (216, 145270), (219, 143280), (240, 130743), (270, 116216), (292, 107460), (360, 87162), (365, 85968), (398, 78840), (432, 72635), (438, 71640), (540, 58108), (584, 53730), (597, 52560), (657, 47760), (720, 43581), (730, 42984), (796, 39420), (876, 35820), (995, 31536), (1080, 29054), (1095, 28656), (1168, 26865), (1194, 26280), (1314, 23880), (1460, 21492), (1592, 19710), (1752, 17910), (1791, 17520), (1971, 15920), (1990, 15768), (2160, 14527), (2190, 14328), (2388, 13140), (2628, 11940), (2920, 10746), (2985, 10512), (3184, 9855), (3285, 9552), (3504, 8955), (3582, 8760), (3942, 7960), (3980, 7884), (4380, 7164), (4776, 6570), (5256, 5970), (5373, 5840)]