128992920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{153563}}^1$

素因数の和:153584

約数の個数: 64

約数和(自身を含む): 442264320

約数和(自身を除く): 313271400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 153563, 307126, 460689, 614252, 767815, 921378, 1074941, 1228504, 1535630, 1842756, 2149882, 2303445, 3071260, 3224823, 3685512, 4299764, 4606890, 5374705, 6142520, 6449646, 8599528, 9213780, 10749410, 12899292, 16124115, 18427560, 21498820, 25798584, 32248230, 42997640, 64496460, 128992920]

約数ペア:

[(1, 128992920), (2, 64496460), (3, 42997640), (4, 32248230), (5, 25798584), (6, 21498820), (7, 18427560), (8, 16124115), (10, 12899292), (12, 10749410), (14, 9213780), (15, 8599528), (20, 6449646), (21, 6142520), (24, 5374705), (28, 4606890), (30, 4299764), (35, 3685512), (40, 3224823), (42, 3071260), (56, 2303445), (60, 2149882), (70, 1842756), (84, 1535630), (105, 1228504), (120, 1074941), (140, 921378), (168, 767815), (210, 614252), (280, 460689), (420, 307126), (840, 153563)]