21599040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 112

約数和(自身を含む): 69494400

約数和(自身を除く): 47895360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 149, 151, 160, 192, 240, 298, 302, 320, 447, 453, 480, 596, 604, 745, 755, 894, 906, 960, 1192, 1208, 1490, 1510, 1788, 1812, 2235, 2265, 2384, 2416, 2980, 3020, 3576, 3624, 4470, 4530, 4768, 4832, 5960, 6040, 7152, 7248, 8940, 9060, 9536, 9664, 11920, 12080, 14304, 14496, 17880, 18120, 22499, 23840, 24160, 28608, 28992, 35760, 36240, 44998, 47680, 48320, 67497, 71520, 72480, 89996, 112495, 134994, 143040, 144960, 179992, 224990, 269988, 337485, 359984, 449980, 539976, 674970, 719968, 899960, 1079952, 1349940, 1439936, 1799920, 2159904, 2699880, 3599840, 4319808, 5399760, 7199680, 10799520, 21599040]

約数ペア:

[(1, 21599040), (2, 10799520), (3, 7199680), (4, 5399760), (5, 4319808), (6, 3599840), (8, 2699880), (10, 2159904), (12, 1799920), (15, 1439936), (16, 1349940), (20, 1079952), (24, 899960), (30, 719968), (32, 674970), (40, 539976), (48, 449980), (60, 359984), (64, 337485), (80, 269988), (96, 224990), (120, 179992), (149, 144960), (151, 143040), (160, 134994), (192, 112495), (240, 89996), (298, 72480), (302, 71520), (320, 67497), (447, 48320), (453, 47680), (480, 44998), (596, 36240), (604, 35760), (745, 28992), (755, 28608), (894, 24160), (906, 23840), (960, 22499), (1192, 18120), (1208, 17880), (1490, 14496), (1510, 14304), (1788, 12080), (1812, 11920), (2235, 9664), (2265, 9536), (2384, 9060), (2416, 8940), (2980, 7248), (3020, 7152), (3576, 6040), (3624, 5960), (4470, 4832), (4530, 4768)]