30205680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1134

約数の個数: 80

約数和(自身を含む): 94470144

約数和(自身を除く): 64264464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 991, 1016, 1270, 1524, 1905, 1982, 2032, 2540, 2973, 3048, 3810, 3964, 4955, 5080, 5946, 6096, 7620, 7928, 9910, 10160, 11892, 14865, 15240, 15856, 19820, 23784, 29730, 30480, 39640, 47568, 59460, 79280, 118920, 125857, 237840, 251714, 377571, 503428, 629285, 755142, 1006856, 1258570, 1510284, 1887855, 2013712, 2517140, 3020568, 3775710, 5034280, 6041136, 7551420, 10068560, 15102840, 30205680]

約数ペア:

[(1, 30205680), (2, 15102840), (3, 10068560), (4, 7551420), (5, 6041136), (6, 5034280), (8, 3775710), (10, 3020568), (12, 2517140), (15, 2013712), (16, 1887855), (20, 1510284), (24, 1258570), (30, 1006856), (40, 755142), (48, 629285), (60, 503428), (80, 377571), (120, 251714), (127, 237840), (240, 125857), (254, 118920), (381, 79280), (508, 59460), (635, 47568), (762, 39640), (991, 30480), (1016, 29730), (1270, 23784), (1524, 19820), (1905, 15856), (1982, 15240), (2032, 14865), (2540, 11892), (2973, 10160), (3048, 9910), (3810, 7928), (3964, 7620), (4955, 6096), (5080, 5946)]