161870025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3917}}^1$

素因数の和:3978

約数の個数: 48

約数和(自身を含む): 291499200

約数和(自身を除く): 129629175

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 145, 285, 435, 475, 551, 725, 1425, 1653, 2175, 2755, 3917, 8265, 11751, 13775, 19585, 41325, 58755, 74423, 97925, 113593, 223269, 293775, 340779, 372115, 567965, 1116345, 1703895, 1860575, 2158267, 2839825, 5581725, 6474801, 8519475, 10791335, 32374005, 53956675, 161870025]

約数ペア:

[(1, 161870025), (3, 53956675), (5, 32374005), (15, 10791335), (19, 8519475), (25, 6474801), (29, 5581725), (57, 2839825), (75, 2158267), (87, 1860575), (95, 1703895), (145, 1116345), (285, 567965), (435, 372115), (475, 340779), (551, 293775), (725, 223269), (1425, 113593), (1653, 97925), (2175, 74423), (2755, 58755), (3917, 41325), (8265, 19585), (11751, 13775)]