72648875

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 48

約数和(自身を含む): 103914720

約数和(自身を除く): 31265845

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 169, 181, 247, 325, 475, 845, 905, 1235, 1625, 2353, 2375, 3211, 3439, 4225, 4525, 6175, 11765, 16055, 17195, 21125, 22625, 30589, 30875, 44707, 58825, 80275, 85975, 152945, 223535, 294125, 401375, 429875, 581191, 764725, 1117675, 2905955, 3823625, 5588375, 14529775, 72648875]

約数ペア:

[(1, 72648875), (5, 14529775), (13, 5588375), (19, 3823625), (25, 2905955), (65, 1117675), (95, 764725), (125, 581191), (169, 429875), (181, 401375), (247, 294125), (325, 223535), (475, 152945), (845, 85975), (905, 80275), (1235, 58825), (1625, 44707), (2353, 30875), (2375, 30589), (3211, 22625), (3439, 21125), (4225, 17195), (4525, 16055), (6175, 11765)]