72406875

素因数分解:

$3^1\times 5^4\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 127840328

約数和(自身を除く): 55433453

約数列:

[1, 3, 5, 15, 23, 25, 69, 73, 75, 115, 125, 219, 345, 365, 375, 529, 575, 625, 1095, 1587, 1679, 1725, 1825, 1875, 2645, 2875, 5037, 5475, 7935, 8395, 8625, 9125, 13225, 14375, 25185, 27375, 38617, 39675, 41975, 43125, 45625, 66125, 115851, 125925, 136875, 193085, 198375, 209875, 330625, 579255, 629625, 965425, 991875, 1049375, 2896275, 3148125, 4827125, 14481375, 24135625, 72406875]

約数ペア:

[(1, 72406875), (3, 24135625), (5, 14481375), (15, 4827125), (23, 3148125), (25, 2896275), (69, 1049375), (73, 991875), (75, 965425), (115, 629625), (125, 579255), (219, 330625), (345, 209875), (365, 198375), (375, 193085), (529, 136875), (575, 125925), (625, 115851), (1095, 66125), (1587, 45625), (1679, 43125), (1725, 41975), (1825, 39675), (1875, 38617), (2645, 27375), (2875, 25185), (5037, 14375), (5475, 13225), (7935, 9125), (8395, 8625)]