278323380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1546241}}^1$

素因数の和:1546256

約数の個数: 36

約数和(自身を含む): 844248132

約数和(自身を除く): 565924752

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1546241, 3092482, 4638723, 6184964, 7731205, 9277446, 13916169, 15462410, 18554892, 23193615, 27832338, 30924820, 46387230, 55664676, 69580845, 92774460, 139161690, 278323380]

約数ペア:

[(1, 278323380), (2, 139161690), (3, 92774460), (4, 69580845), (5, 55664676), (6, 46387230), (9, 30924820), (10, 27832338), (12, 23193615), (15, 18554892), (18, 15462410), (20, 13916169), (30, 9277446), (36, 7731205), (45, 6184964), (60, 4638723), (90, 3092482), (180, 1546241)]