78980625

素因数分解:

$3^2\times 5^4\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:784

約数の個数: 60

約数和(自身を含む): 150264400

約数和(自身を除く): 71283775

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 125, 171, 225, 285, 375, 475, 625, 739, 855, 1125, 1425, 1875, 2217, 2375, 3695, 4275, 5625, 6651, 7125, 11085, 11875, 14041, 18475, 21375, 33255, 35625, 42123, 55425, 70205, 92375, 106875, 126369, 166275, 210615, 277125, 351025, 461875, 631845, 831375, 1053075, 1385625, 1755125, 3159225, 4156875, 5265375, 8775625, 15796125, 26326875, 78980625]

約数ペア:

[(1, 78980625), (3, 26326875), (5, 15796125), (9, 8775625), (15, 5265375), (19, 4156875), (25, 3159225), (45, 1755125), (57, 1385625), (75, 1053075), (95, 831375), (125, 631845), (171, 461875), (225, 351025), (285, 277125), (375, 210615), (475, 166275), (625, 126369), (739, 106875), (855, 92375), (1125, 70205), (1425, 55425), (1875, 42123), (2217, 35625), (2375, 33255), (3695, 21375), (4275, 18475), (5625, 14041), (6651, 11875), (7125, 11085)]