258420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 745920

約数和(自身を除く): 487500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 73, 118, 146, 177, 219, 236, 292, 295, 354, 365, 438, 590, 708, 730, 876, 885, 1095, 1180, 1460, 1770, 2190, 3540, 4307, 4380, 8614, 12921, 17228, 21535, 25842, 43070, 51684, 64605, 86140, 129210, 258420]

約数ペア:

[(1, 258420), (2, 129210), (3, 86140), (4, 64605), (5, 51684), (6, 43070), (10, 25842), (12, 21535), (15, 17228), (20, 12921), (30, 8614), (59, 4380), (60, 4307), (73, 3540), (118, 2190), (146, 1770), (177, 1460), (219, 1180), (236, 1095), (292, 885), (295, 876), (354, 730), (365, 708), (438, 590)]