201718260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{65921}}^1$

素因数の和:65953

約数の個数: 72

約数和(自身を含む): 647881416

約数和(自身を除く): 446163156

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, 65921, 131842, 197763, 263684, 329605, 395526, 593289, 659210, 791052, 988815, 1120657, 1186578, 1318420, 1977630, 2241314, 2373156, 2966445, 3361971, 3955260, 4482628, 5603285, 5932890, 6723942, 10085913, 11206570, 11865780, 13447884, 16809855, 20171826, 22413140, 33619710, 40343652, 50429565, 67239420, 100859130, 201718260]

約数ペア:

[(1, 201718260), (2, 100859130), (3, 67239420), (4, 50429565), (5, 40343652), (6, 33619710), (9, 22413140), (10, 20171826), (12, 16809855), (15, 13447884), (17, 11865780), (18, 11206570), (20, 10085913), (30, 6723942), (34, 5932890), (36, 5603285), (45, 4482628), (51, 3955260), (60, 3361971), (68, 2966445), (85, 2373156), (90, 2241314), (102, 1977630), (153, 1318420), (170, 1186578), (180, 1120657), (204, 988815), (255, 791052), (306, 659210), (340, 593289), (510, 395526), (612, 329605), (765, 263684), (1020, 197763), (1530, 131842), (3060, 65921)]