144696880

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 345960000

約数和(自身を除く): 201263120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 149, 199, 244, 298, 305, 398, 488, 596, 610, 745, 796, 976, 995, 1192, 1220, 1490, 1592, 1990, 2384, 2440, 2980, 3184, 3980, 4880, 5960, 7960, 9089, 11920, 12139, 15920, 18178, 24278, 29651, 36356, 45445, 48556, 59302, 60695, 72712, 90890, 97112, 118604, 121390, 145424, 148255, 181780, 194224, 237208, 242780, 296510, 363560, 474416, 485560, 593020, 727120, 971120, 1186040, 1808711, 2372080, 3617422, 7234844, 9043555, 14469688, 18087110, 28939376, 36174220, 72348440, 144696880]

約数ペア:

[(1, 144696880), (2, 72348440), (4, 36174220), (5, 28939376), (8, 18087110), (10, 14469688), (16, 9043555), (20, 7234844), (40, 3617422), (61, 2372080), (80, 1808711), (122, 1186040), (149, 971120), (199, 727120), (244, 593020), (298, 485560), (305, 474416), (398, 363560), (488, 296510), (596, 242780), (610, 237208), (745, 194224), (796, 181780), (976, 148255), (995, 145424), (1192, 121390), (1220, 118604), (1490, 97112), (1592, 90890), (1990, 72712), (2384, 60695), (2440, 59302), (2980, 48556), (3184, 45445), (3980, 36356), (4880, 29651), (5960, 24278), (7960, 18178), (9089, 15920), (11920, 12139)]