18480280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5077}}^1$

素因数の和:5108

約数の個数: 64

約数和(自身を含む): 51186240

約数和(自身を除く): 32705960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5077, 10154, 20308, 25385, 35539, 40616, 50770, 66001, 71078, 101540, 132002, 142156, 177695, 203080, 264004, 284312, 330005, 355390, 462007, 528008, 660010, 710780, 924014, 1320020, 1421560, 1848028, 2310035, 2640040, 3696056, 4620070, 9240140, 18480280]

約数ペア:

[(1, 18480280), (2, 9240140), (4, 4620070), (5, 3696056), (7, 2640040), (8, 2310035), (10, 1848028), (13, 1421560), (14, 1320020), (20, 924014), (26, 710780), (28, 660010), (35, 528008), (40, 462007), (52, 355390), (56, 330005), (65, 284312), (70, 264004), (91, 203080), (104, 177695), (130, 142156), (140, 132002), (182, 101540), (260, 71078), (280, 66001), (364, 50770), (455, 40616), (520, 35539), (728, 25385), (910, 20308), (1820, 10154), (3640, 5077)]