12971820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2099}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 23719380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 2099, 3090, 4198, 6180, 6297, 8396, 10495, 12594, 20990, 25188, 31485, 41980, 62970, 125940, 216197, 432394, 648591, 864788, 1080985, 1297182, 2161970, 2594364, 3242955, 4323940, 6485910, 12971820]

約数ペア:

[(1, 12971820), (2, 6485910), (3, 4323940), (4, 3242955), (5, 2594364), (6, 2161970), (10, 1297182), (12, 1080985), (15, 864788), (20, 648591), (30, 432394), (60, 216197), (103, 125940), (206, 62970), (309, 41980), (412, 31485), (515, 25188), (618, 20990), (1030, 12594), (1236, 10495), (1545, 8396), (2060, 6297), (2099, 6180), (3090, 4198)]