425340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 1375920

約数和(自身を除く): 950580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 139, 153, 170, 180, 204, 255, 278, 306, 340, 417, 510, 556, 612, 695, 765, 834, 1020, 1251, 1390, 1530, 1668, 2085, 2363, 2502, 2780, 3060, 4170, 4726, 5004, 6255, 7089, 8340, 9452, 11815, 12510, 14178, 21267, 23630, 25020, 28356, 35445, 42534, 47260, 70890, 85068, 106335, 141780, 212670, 425340]

約数ペア:

[(1, 425340), (2, 212670), (3, 141780), (4, 106335), (5, 85068), (6, 70890), (9, 47260), (10, 42534), (12, 35445), (15, 28356), (17, 25020), (18, 23630), (20, 21267), (30, 14178), (34, 12510), (36, 11815), (45, 9452), (51, 8340), (60, 7089), (68, 6255), (85, 5004), (90, 4726), (102, 4170), (139, 3060), (153, 2780), (170, 2502), (180, 2363), (204, 2085), (255, 1668), (278, 1530), (306, 1390), (340, 1251), (417, 1020), (510, 834), (556, 765), (612, 695)]