127914540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163993}}^1$

素因数の和:164018

約数の個数: 48

約数和(自身を含む): 385713888

約数和(自身を除く): 257799348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 163993, 327986, 491979, 655972, 819965, 983958, 1639930, 1967916, 2131909, 2459895, 3279860, 4263818, 4919790, 6395727, 8527636, 9839580, 10659545, 12791454, 21319090, 25582908, 31978635, 42638180, 63957270, 127914540]

約数ペア:

[(1, 127914540), (2, 63957270), (3, 42638180), (4, 31978635), (5, 25582908), (6, 21319090), (10, 12791454), (12, 10659545), (13, 9839580), (15, 8527636), (20, 6395727), (26, 4919790), (30, 4263818), (39, 3279860), (52, 2459895), (60, 2131909), (65, 1967916), (78, 1639930), (130, 983958), (156, 819965), (195, 655972), (260, 491979), (390, 327986), (780, 163993)]