155510360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:4008

約数の個数: 64

約数和(自身を含む): 373697280

約数和(自身を除く): 218186920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3931, 3956, 4945, 7862, 7912, 9890, 15724, 19655, 19780, 31448, 39310, 39560, 78620, 90413, 157240, 169033, 180826, 338066, 361652, 452065, 676132, 723304, 845165, 904130, 1352264, 1690330, 1808260, 3380660, 3616520, 3887759, 6761320, 7775518, 15551036, 19438795, 31102072, 38877590, 77755180, 155510360]

約数ペア:

[(1, 155510360), (2, 77755180), (4, 38877590), (5, 31102072), (8, 19438795), (10, 15551036), (20, 7775518), (23, 6761320), (40, 3887759), (43, 3616520), (46, 3380660), (86, 1808260), (92, 1690330), (115, 1352264), (172, 904130), (184, 845165), (215, 723304), (230, 676132), (344, 452065), (430, 361652), (460, 338066), (860, 180826), (920, 169033), (989, 157240), (1720, 90413), (1978, 78620), (3931, 39560), (3956, 39310), (4945, 31448), (7862, 19780), (7912, 19655), (9890, 15724)]