290128080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109897}}^1$

素因数の和:109924

約数の個数: 80

約数和(自身を含む): 981169344

約数和(自身を除く): 691041264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 109897, 219794, 329691, 439588, 549485, 659382, 879176, 1098970, 1208867, 1318764, 1648455, 1758352, 2197940, 2417734, 2637528, 3296910, 3626601, 4395880, 4835468, 5275056, 6044335, 6593820, 7253202, 8791760, 9670936, 12088670, 13187640, 14506404, 18133005, 19341872, 24177340, 26375280, 29012808, 36266010, 48354680, 58025616, 72532020, 96709360, 145064040, 290128080]

約数ペア:

[(1, 290128080), (2, 145064040), (3, 96709360), (4, 72532020), (5, 58025616), (6, 48354680), (8, 36266010), (10, 29012808), (11, 26375280), (12, 24177340), (15, 19341872), (16, 18133005), (20, 14506404), (22, 13187640), (24, 12088670), (30, 9670936), (33, 8791760), (40, 7253202), (44, 6593820), (48, 6044335), (55, 5275056), (60, 4835468), (66, 4395880), (80, 3626601), (88, 3296910), (110, 2637528), (120, 2417734), (132, 2197940), (165, 1758352), (176, 1648455), (220, 1318764), (240, 1208867), (264, 1098970), (330, 879176), (440, 659382), (528, 549485), (660, 439588), (880, 329691), (1320, 219794), (2640, 109897)]