726732080

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 1714176000

約数和(自身を除く): 987443920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 199, 239, 382, 398, 478, 764, 796, 955, 956, 995, 1195, 1528, 1592, 1910, 1912, 1990, 2390, 3056, 3184, 3820, 3824, 3980, 4780, 7640, 7960, 9560, 15280, 15920, 19120, 38009, 45649, 47561, 76018, 91298, 95122, 152036, 182596, 190045, 190244, 228245, 237805, 304072, 365192, 380090, 380488, 456490, 475610, 608144, 730384, 760180, 760976, 912980, 951220, 1520360, 1825960, 1902440, 3040720, 3651920, 3804880, 9084151, 18168302, 36336604, 45420755, 72673208, 90841510, 145346416, 181683020, 363366040, 726732080]

約数ペア:

[(1, 726732080), (2, 363366040), (4, 181683020), (5, 145346416), (8, 90841510), (10, 72673208), (16, 45420755), (20, 36336604), (40, 18168302), (80, 9084151), (191, 3804880), (199, 3651920), (239, 3040720), (382, 1902440), (398, 1825960), (478, 1520360), (764, 951220), (796, 912980), (955, 760976), (956, 760180), (995, 730384), (1195, 608144), (1528, 475610), (1592, 456490), (1910, 380488), (1912, 380090), (1990, 365192), (2390, 304072), (3056, 237805), (3184, 228245), (3820, 190244), (3824, 190045), (3980, 182596), (4780, 152036), (7640, 95122), (7960, 91298), (9560, 76018), (15280, 47561), (15920, 45649), (19120, 38009)]