81692840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 188850960

約数和(自身を除く): 107158120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 101, 146, 202, 277, 292, 365, 404, 505, 554, 584, 730, 808, 1010, 1108, 1385, 1460, 2020, 2216, 2770, 2920, 4040, 5540, 7373, 11080, 14746, 20221, 27977, 29492, 36865, 40442, 55954, 58984, 73730, 80884, 101105, 111908, 139885, 147460, 161768, 202210, 223816, 279770, 294920, 404420, 559540, 808840, 1119080, 2042321, 4084642, 8169284, 10211605, 16338568, 20423210, 40846420, 81692840]

約数ペア:

[(1, 81692840), (2, 40846420), (4, 20423210), (5, 16338568), (8, 10211605), (10, 8169284), (20, 4084642), (40, 2042321), (73, 1119080), (101, 808840), (146, 559540), (202, 404420), (277, 294920), (292, 279770), (365, 223816), (404, 202210), (505, 161768), (554, 147460), (584, 139885), (730, 111908), (808, 101105), (1010, 80884), (1108, 73730), (1385, 58984), (1460, 55954), (2020, 40442), (2216, 36865), (2770, 29492), (2920, 27977), (4040, 20221), (5540, 14746), (7373, 11080)]