245070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{389}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 730080

約数和(自身を除く): 485010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 389, 630, 778, 1167, 1945, 2334, 2723, 3501, 3890, 5446, 5835, 7002, 8169, 11670, 13615, 16338, 17505, 24507, 27230, 35010, 40845, 49014, 81690, 122535, 245070]

約数ペア:

[(1, 245070), (2, 122535), (3, 81690), (5, 49014), (6, 40845), (7, 35010), (9, 27230), (10, 24507), (14, 17505), (15, 16338), (18, 13615), (21, 11670), (30, 8169), (35, 7002), (42, 5835), (45, 5446), (63, 3890), (70, 3501), (90, 2723), (105, 2334), (126, 1945), (210, 1167), (315, 778), (389, 630)]