65505420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21407}}^1$

素因数の和:21439

約数の個数: 72

約数和(自身を含む): 210397824

約数和(自身を除く): 144892404

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, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 21407, 42814, 64221, 85628, 107035, 128442, 192663, 214070, 256884, 321105, 363919, 385326, 428140, 642210, 727838, 770652, 963315, 1091757, 1284420, 1455676, 1819595, 1926630, 2183514, 3275271, 3639190, 3853260, 4367028, 5458785, 6550542, 7278380, 10917570, 13101084, 16376355, 21835140, 32752710, 65505420]

約数ペア:

[(1, 65505420), (2, 32752710), (3, 21835140), (4, 16376355), (5, 13101084), (6, 10917570), (9, 7278380), (10, 6550542), (12, 5458785), (15, 4367028), (17, 3853260), (18, 3639190), (20, 3275271), (30, 2183514), (34, 1926630), (36, 1819595), (45, 1455676), (51, 1284420), (60, 1091757), (68, 963315), (85, 770652), (90, 727838), (102, 642210), (153, 428140), (170, 385326), (180, 363919), (204, 321105), (255, 256884), (306, 214070), (340, 192663), (510, 128442), (612, 107035), (765, 85628), (1020, 64221), (1530, 42814), (3060, 21407)]