20153280

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{2999}}^1$

素因数の和:3026

約数の個数: 112

約数和(自身を含む): 73152000

約数和(自身を除く): 52998720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 2999, 3360, 5998, 6720, 8997, 11996, 14995, 17994, 20993, 23992, 29990, 35988, 41986, 44985, 47984, 59980, 62979, 71976, 83972, 89970, 95968, 104965, 119960, 125958, 143952, 167944, 179940, 191936, 209930, 239920, 251916, 287904, 314895, 335888, 359880, 419860, 479840, 503832, 575808, 629790, 671776, 719760, 839720, 959680, 1007664, 1259580, 1343552, 1439520, 1679440, 2015328, 2519160, 2879040, 3358880, 4030656, 5038320, 6717760, 10076640, 20153280]

約数ペア:

[(1, 20153280), (2, 10076640), (3, 6717760), (4, 5038320), (5, 4030656), (6, 3358880), (7, 2879040), (8, 2519160), (10, 2015328), (12, 1679440), (14, 1439520), (15, 1343552), (16, 1259580), (20, 1007664), (21, 959680), (24, 839720), (28, 719760), (30, 671776), (32, 629790), (35, 575808), (40, 503832), (42, 479840), (48, 419860), (56, 359880), (60, 335888), (64, 314895), (70, 287904), (80, 251916), (84, 239920), (96, 209930), (105, 191936), (112, 179940), (120, 167944), (140, 143952), (160, 125958), (168, 119960), (192, 104965), (210, 95968), (224, 89970), (240, 83972), (280, 71976), (320, 62979), (336, 59980), (420, 47984), (448, 44985), (480, 41986), (560, 35988), (672, 29990), (840, 23992), (960, 20993), (1120, 17994), (1344, 14995), (1680, 11996), (2240, 8997), (2999, 6720), (3360, 5998)]