257081640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5113}}^1$

素因数の和:5546

約数の個数: 64

約数和(自身を含む): 773236800

約数和(自身を除く): 516155160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 419, 838, 1257, 1676, 2095, 2514, 3352, 4190, 5028, 5113, 6285, 8380, 10056, 10226, 12570, 15339, 16760, 20452, 25140, 25565, 30678, 40904, 50280, 51130, 61356, 76695, 102260, 122712, 153390, 204520, 306780, 613560, 2142347, 4284694, 6427041, 8569388, 10711735, 12854082, 17138776, 21423470, 25708164, 32135205, 42846940, 51416328, 64270410, 85693880, 128540820, 257081640]

約数ペア:

[(1, 257081640), (2, 128540820), (3, 85693880), (4, 64270410), (5, 51416328), (6, 42846940), (8, 32135205), (10, 25708164), (12, 21423470), (15, 17138776), (20, 12854082), (24, 10711735), (30, 8569388), (40, 6427041), (60, 4284694), (120, 2142347), (419, 613560), (838, 306780), (1257, 204520), (1676, 153390), (2095, 122712), (2514, 102260), (3352, 76695), (4190, 61356), (5028, 51130), (5113, 50280), (6285, 40904), (8380, 30678), (10056, 25565), (10226, 25140), (12570, 20452), (15339, 16760)]