4080375

素因数分解:

$3^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 80

約数和(自身を含む): 8456448

約数和(自身を除く): 4376073

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 31, 39, 45, 65, 75, 81, 93, 117, 125, 135, 155, 195, 225, 279, 325, 351, 375, 403, 405, 465, 585, 675, 775, 837, 975, 1053, 1125, 1209, 1395, 1625, 1755, 2015, 2025, 2325, 2511, 2925, 3375, 3627, 3875, 4185, 4875, 5265, 6045, 6975, 8775, 10075, 10125, 10881, 11625, 12555, 14625, 18135, 20925, 26325, 30225, 32643, 34875, 43875, 50375, 54405, 62775, 90675, 104625, 131625, 151125, 163215, 272025, 313875, 453375, 816075, 1360125, 4080375]

約数ペア:

[(1, 4080375), (3, 1360125), (5, 816075), (9, 453375), (13, 313875), (15, 272025), (25, 163215), (27, 151125), (31, 131625), (39, 104625), (45, 90675), (65, 62775), (75, 54405), (81, 50375), (93, 43875), (117, 34875), (125, 32643), (135, 30225), (155, 26325), (195, 20925), (225, 18135), (279, 14625), (325, 12555), (351, 11625), (375, 10881), (403, 10125), (405, 10075), (465, 8775), (585, 6975), (675, 6045), (775, 5265), (837, 4875), (975, 4185), (1053, 3875), (1125, 3627), (1209, 3375), (1395, 2925), (1625, 2511), (1755, 2325), (2015, 2025)]