2017679120

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1\times {\mathrm{787}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 4772254080

約数和(自身を除く): 2754574960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 439, 584, 730, 787, 878, 1168, 1460, 1574, 1756, 2195, 2920, 3148, 3512, 3935, 4390, 5840, 6296, 7024, 7870, 8780, 12592, 15740, 17560, 31480, 32047, 35120, 57451, 62960, 64094, 114902, 128188, 160235, 229804, 256376, 287255, 320470, 345493, 459608, 512752, 574510, 640940, 690986, 919216, 1149020, 1281880, 1381972, 1727465, 2298040, 2563760, 2763944, 3454930, 4596080, 5527888, 6909860, 13819720, 25220989, 27639440, 50441978, 100883956, 126104945, 201767912, 252209890, 403535824, 504419780, 1008839560, 2017679120]

約数ペア:

[(1, 2017679120), (2, 1008839560), (4, 504419780), (5, 403535824), (8, 252209890), (10, 201767912), (16, 126104945), (20, 100883956), (40, 50441978), (73, 27639440), (80, 25220989), (146, 13819720), (292, 6909860), (365, 5527888), (439, 4596080), (584, 3454930), (730, 2763944), (787, 2563760), (878, 2298040), (1168, 1727465), (1460, 1381972), (1574, 1281880), (1756, 1149020), (2195, 919216), (2920, 690986), (3148, 640940), (3512, 574510), (3935, 512752), (4390, 459608), (5840, 345493), (6296, 320470), (7024, 287255), (7870, 256376), (8780, 229804), (12592, 160235), (15740, 128188), (17560, 114902), (31480, 64094), (32047, 62960), (35120, 57451)]