16513020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 33937380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 461, 597, 796, 922, 995, 1194, 1383, 1791, 1844, 1990, 2305, 2388, 2766, 2985, 3582, 3980, 4149, 4610, 5532, 5970, 6915, 7164, 8298, 8955, 9220, 11940, 13830, 16596, 17910, 20745, 27660, 35820, 41490, 82980, 91739, 183478, 275217, 366956, 458695, 550434, 825651, 917390, 1100868, 1376085, 1651302, 1834780, 2752170, 3302604, 4128255, 5504340, 8256510, 16513020]

約数ペア:

[(1, 16513020), (2, 8256510), (3, 5504340), (4, 4128255), (5, 3302604), (6, 2752170), (9, 1834780), (10, 1651302), (12, 1376085), (15, 1100868), (18, 917390), (20, 825651), (30, 550434), (36, 458695), (45, 366956), (60, 275217), (90, 183478), (180, 91739), (199, 82980), (398, 41490), (461, 35820), (597, 27660), (796, 20745), (922, 17910), (995, 16596), (1194, 13830), (1383, 11940), (1791, 9220), (1844, 8955), (1990, 8298), (2305, 7164), (2388, 6915), (2766, 5970), (2985, 5532), (3582, 4610), (3980, 4149)]