51151080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 164229120

約数和(自身を除く): 113078040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 431, 460, 516, 552, 645, 690, 860, 862, 920, 989, 1032, 1290, 1293, 1380, 1720, 1724, 1978, 2155, 2580, 2586, 2760, 2967, 3448, 3956, 4310, 4945, 5160, 5172, 5934, 6465, 7912, 8620, 9890, 9913, 10344, 11868, 12930, 14835, 17240, 18533, 19780, 19826, 23736, 25860, 29670, 29739, 37066, 39560, 39652, 49565, 51720, 55599, 59340, 59478, 74132, 79304, 92665, 99130, 111198, 118680, 118956, 148264, 148695, 185330, 198260, 222396, 237912, 277995, 297390, 370660, 396520, 426259, 444792, 555990, 594780, 741320, 852518, 1111980, 1189560, 1278777, 1705036, 2131295, 2223960, 2557554, 3410072, 4262590, 5115108, 6393885, 8525180, 10230216, 12787770, 17050360, 25575540, 51151080]

約数ペア:

[(1, 51151080), (2, 25575540), (3, 17050360), (4, 12787770), (5, 10230216), (6, 8525180), (8, 6393885), (10, 5115108), (12, 4262590), (15, 3410072), (20, 2557554), (23, 2223960), (24, 2131295), (30, 1705036), (40, 1278777), (43, 1189560), (46, 1111980), (60, 852518), (69, 741320), (86, 594780), (92, 555990), (115, 444792), (120, 426259), (129, 396520), (138, 370660), (172, 297390), (184, 277995), (215, 237912), (230, 222396), (258, 198260), (276, 185330), (344, 148695), (345, 148264), (430, 118956), (431, 118680), (460, 111198), (516, 99130), (552, 92665), (645, 79304), (690, 74132), (860, 59478), (862, 59340), (920, 55599), (989, 51720), (1032, 49565), (1290, 39652), (1293, 39560), (1380, 37066), (1720, 29739), (1724, 29670), (1978, 25860), (2155, 23736), (2580, 19826), (2586, 19780), (2760, 18533), (2967, 17240), (3448, 14835), (3956, 12930), (4310, 11868), (4945, 10344), (5160, 9913), (5172, 9890), (5934, 8620), (6465, 7912)]