31200375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 56908800

約数和(自身を除く): 25708425

約数列:

[1, 3, 5, 15, 19, 25, 29, 57, 75, 87, 95, 125, 145, 151, 285, 375, 435, 453, 475, 551, 725, 755, 1425, 1653, 2175, 2265, 2375, 2755, 2869, 3625, 3775, 4379, 7125, 8265, 8607, 10875, 11325, 13137, 13775, 14345, 18875, 21895, 41325, 43035, 56625, 65685, 68875, 71725, 83201, 109475, 206625, 215175, 249603, 328425, 358625, 416005, 547375, 1075875, 1248015, 1642125, 2080025, 6240075, 10400125, 31200375]

約数ペア:

[(1, 31200375), (3, 10400125), (5, 6240075), (15, 2080025), (19, 1642125), (25, 1248015), (29, 1075875), (57, 547375), (75, 416005), (87, 358625), (95, 328425), (125, 249603), (145, 215175), (151, 206625), (285, 109475), (375, 83201), (435, 71725), (453, 68875), (475, 65685), (551, 56625), (725, 43035), (755, 41325), (1425, 21895), (1653, 18875), (2175, 14345), (2265, 13775), (2375, 13137), (2755, 11325), (2869, 10875), (3625, 8607), (3775, 8265), (4379, 7125)]