251270520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{1607}}^1$

素因数の和:2924

約数の個数: 64

約数和(自身を含む): 754859520

約数和(自身を除く): 503589000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1303, 1607, 2606, 3214, 3909, 4821, 5212, 6428, 6515, 7818, 8035, 9642, 10424, 12856, 13030, 15636, 16070, 19284, 19545, 24105, 26060, 31272, 32140, 38568, 39090, 48210, 52120, 64280, 78180, 96420, 156360, 192840, 2093921, 4187842, 6281763, 8375684, 10469605, 12563526, 16751368, 20939210, 25127052, 31408815, 41878420, 50254104, 62817630, 83756840, 125635260, 251270520]

約数ペア:

[(1, 251270520), (2, 125635260), (3, 83756840), (4, 62817630), (5, 50254104), (6, 41878420), (8, 31408815), (10, 25127052), (12, 20939210), (15, 16751368), (20, 12563526), (24, 10469605), (30, 8375684), (40, 6281763), (60, 4187842), (120, 2093921), (1303, 192840), (1607, 156360), (2606, 96420), (3214, 78180), (3909, 64280), (4821, 52120), (5212, 48210), (6428, 39090), (6515, 38568), (7818, 32140), (8035, 31272), (9642, 26060), (10424, 24105), (12856, 19545), (13030, 19284), (15636, 16070)]