21391190160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{466649}}^1$

素因数の和:466856

約数の個数: 80

約数和(自身を含む): 66660019200

約数和(自身を除く): 45268829040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 573, 764, 955, 1146, 1528, 1910, 2292, 2865, 3056, 3820, 4584, 5730, 7640, 9168, 11460, 15280, 22920, 45840, 466649, 933298, 1399947, 1866596, 2333245, 2799894, 3733192, 4666490, 5599788, 6999735, 7466384, 9332980, 11199576, 13999470, 18665960, 22399152, 27998940, 37331920, 55997880, 89129959, 111995760, 178259918, 267389877, 356519836, 445649795, 534779754, 713039672, 891299590, 1069559508, 1336949385, 1426079344, 1782599180, 2139119016, 2673898770, 3565198360, 4278238032, 5347797540, 7130396720, 10695595080, 21391190160]

約数ペア:

[(1, 21391190160), (2, 10695595080), (3, 7130396720), (4, 5347797540), (5, 4278238032), (6, 3565198360), (8, 2673898770), (10, 2139119016), (12, 1782599180), (15, 1426079344), (16, 1336949385), (20, 1069559508), (24, 891299590), (30, 713039672), (40, 534779754), (48, 445649795), (60, 356519836), (80, 267389877), (120, 178259918), (191, 111995760), (240, 89129959), (382, 55997880), (573, 37331920), (764, 27998940), (955, 22399152), (1146, 18665960), (1528, 13999470), (1910, 11199576), (2292, 9332980), (2865, 7466384), (3056, 6999735), (3820, 5599788), (4584, 4666490), (5730, 3733192), (7640, 2799894), (9168, 2333245), (11460, 1866596), (15280, 1399947), (22920, 933298), (45840, 466649)]