257750280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{715973}}^1$

素因数の和:715990

約数の個数: 48

約数和(自身を含む): 837689580

約数和(自身を除く): 579939300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 715973, 1431946, 2147919, 2863892, 3579865, 4295838, 5727784, 6443757, 7159730, 8591676, 10739595, 12887514, 14319460, 17183352, 21479190, 25775028, 28638920, 32218785, 42958380, 51550056, 64437570, 85916760, 128875140, 257750280]

約数ペア:

[(1, 257750280), (2, 128875140), (3, 85916760), (4, 64437570), (5, 51550056), (6, 42958380), (8, 32218785), (9, 28638920), (10, 25775028), (12, 21479190), (15, 17183352), (18, 14319460), (20, 12887514), (24, 10739595), (30, 8591676), (36, 7159730), (40, 6443757), (45, 5727784), (60, 4295838), (72, 3579865), (90, 2863892), (120, 2147919), (180, 1431946), (360, 715973)]