6400020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9697}}^1$

素因数の和:9720

約数の個数: 48

約数和(自身を含む): 19551168

約数和(自身を除く): 13151148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 9697, 19394, 29091, 38788, 48485, 58182, 96970, 106667, 116364, 145455, 193940, 213334, 290910, 320001, 426668, 533335, 581820, 640002, 1066670, 1280004, 1600005, 2133340, 3200010, 6400020]

約数ペア:

[(1, 6400020), (2, 3200010), (3, 2133340), (4, 1600005), (5, 1280004), (6, 1066670), (10, 640002), (11, 581820), (12, 533335), (15, 426668), (20, 320001), (22, 290910), (30, 213334), (33, 193940), (44, 145455), (55, 116364), (60, 106667), (66, 96970), (110, 58182), (132, 48485), (165, 38788), (220, 29091), (330, 19394), (660, 9697)]